Home / 54,386.64-81,565.04-14,934.40

Finding the Fourth Proportional to 54,386.64, 81,565.04 and 14,934.40

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Solution

The fourth proportional to 54,386.64, 81,565.04 and 14,934.40 is: 22,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.64 : 81,565.04 = 14,934.40 : x
  2. Step 2: Convert to fraction form
    54,386.64/81,565.04 = 14,934.40/x
  3. Step 3: Cross multiply
    54,386.64x = 81,565.04 × 14,934.40
  4. Step 4: Simplify right side
    54,386.64x = 1,218,124,933.38
  5. Step 5: Solve for x
    x = 1,218,124,933.38/54,386.64
  6. Step 6: Final answer
    x = 22,397.50

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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.