Home / 52,718.11-72,781.07-34,864.90

Finding the Fourth Proportional to 52,718.11, 72,781.07 and 34,864.90

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Solution

The fourth proportional to 52,718.11, 72,781.07 and 34,864.90 is: 48,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.11 : 72,781.07 = 34,864.90 : x
  2. Step 2: Convert to fraction form
    52,718.11/72,781.07 = 34,864.90/x
  3. Step 3: Cross multiply
    52,718.11x = 72,781.07 × 34,864.90
  4. Step 4: Simplify right side
    52,718.11x = 2,537,504,371.17
  5. Step 5: Solve for x
    x = 2,537,504,371.17/52,718.11
  6. Step 6: Final answer
    x = 48,133.45

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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.