Home / 38,887.10-58,330.65-31,111.10

Finding the Fourth Proportional to 38,887.10, 58,330.65 and 31,111.10

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Solution

The fourth proportional to 38,887.10, 58,330.65 and 31,111.10 is: 46,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.10 : 58,330.65 = 31,111.10 : x
  2. Step 2: Convert to fraction form
    38,887.10/58,330.65 = 31,111.10/x
  3. Step 3: Cross multiply
    38,887.10x = 58,330.65 × 31,111.10
  4. Step 4: Simplify right side
    38,887.10x = 1,814,730,685.22
  5. Step 5: Solve for x
    x = 1,814,730,685.22/38,887.10
  6. Step 6: Final answer
    x = 46,666.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.