Home / 38,015.82-52,461.09-21,020.67

Finding the Fourth Proportional to 38,015.82, 52,461.09 and 21,020.67

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Solution

The fourth proportional to 38,015.82, 52,461.09 and 21,020.67 is: 29,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.82 : 52,461.09 = 21,020.67 : x
  2. Step 2: Convert to fraction form
    38,015.82/52,461.09 = 21,020.67/x
  3. Step 3: Cross multiply
    38,015.82x = 52,461.09 × 21,020.67
  4. Step 4: Simplify right side
    38,015.82x = 1,102,767,260.73
  5. Step 5: Solve for x
    x = 1,102,767,260.73/38,015.82
  6. Step 6: Final answer
    x = 29,008.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.