Home / 38,080.57-52,551.18-21,313.57

Finding the Fourth Proportional to 38,080.57, 52,551.18 and 21,313.57

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Solution

The fourth proportional to 38,080.57, 52,551.18 and 21,313.57 is: 29,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.57 : 52,551.18 = 21,313.57 : x
  2. Step 2: Convert to fraction form
    38,080.57/52,551.18 = 21,313.57/x
  3. Step 3: Cross multiply
    38,080.57x = 52,551.18 × 21,313.57
  4. Step 4: Simplify right side
    38,080.57x = 1,120,053,253.51
  5. Step 5: Solve for x
    x = 1,120,053,253.51/38,080.57
  6. Step 6: Final answer
    x = 29,412.72

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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.