Home / 38,055.81-52,519.64-21,060.76

Finding the Fourth Proportional to 38,055.81, 52,519.64 and 21,060.76

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Solution

The fourth proportional to 38,055.81, 52,519.64 and 21,060.76 is: 29,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.81 : 52,519.64 = 21,060.76 : x
  2. Step 2: Convert to fraction form
    38,055.81/52,519.64 = 21,060.76/x
  3. Step 3: Cross multiply
    38,055.81x = 52,519.64 × 21,060.76
  4. Step 4: Simplify right side
    38,055.81x = 1,106,103,513.66
  5. Step 5: Solve for x
    x = 1,106,103,513.66/38,055.81
  6. Step 6: Final answer
    x = 29,065.30

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Half scale
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Double scale
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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.