Home / 53,691.65-74,087.76-29,815.07

Finding the Fourth Proportional to 53,691.65, 74,087.76 and 29,815.07

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Solution

The fourth proportional to 53,691.65, 74,087.76 and 29,815.07 is: 41,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.65 : 74,087.76 = 29,815.07 : x
  2. Step 2: Convert to fraction form
    53,691.65/74,087.76 = 29,815.07/x
  3. Step 3: Cross multiply
    53,691.65x = 74,087.76 × 29,815.07
  4. Step 4: Simplify right side
    53,691.65x = 2,208,931,380.10
  5. Step 5: Solve for x
    x = 2,208,931,380.10/53,691.65
  6. Step 6: Final answer
    x = 41,141.06

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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.