Home / 38,019.90-52,462.86-21,022.98

Finding the Fourth Proportional to 38,019.90, 52,462.86 and 21,022.98

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Solution

The fourth proportional to 38,019.90, 52,462.86 and 21,022.98 is: 29,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.90 : 52,462.86 = 21,022.98 : x
  2. Step 2: Convert to fraction form
    38,019.90/52,462.86 = 21,022.98/x
  3. Step 3: Cross multiply
    38,019.90x = 52,462.86 × 21,022.98
  4. Step 4: Simplify right side
    38,019.90x = 1,102,925,656.52
  5. Step 5: Solve for x
    x = 1,102,925,656.52/38,019.90
  6. Step 6: Final answer
    x = 29,009.17

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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.