Home / 38,710.31-53,442.38-29,618.93

Finding the Fourth Proportional to 38,710.31, 53,442.38 and 29,618.93

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Solution

The fourth proportional to 38,710.31, 53,442.38 and 29,618.93 is: 40,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.31 : 53,442.38 = 29,618.93 : x
  2. Step 2: Convert to fraction form
    38,710.31/53,442.38 = 29,618.93/x
  3. Step 3: Cross multiply
    38,710.31x = 53,442.38 × 29,618.93
  4. Step 4: Simplify right side
    38,710.31x = 1,582,906,319.91
  5. Step 5: Solve for x
    x = 1,582,906,319.91/38,710.31
  6. Step 6: Final answer
    x = 40,891.08

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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.