Home / 52,781.41-72,834.55-28,904.23

Finding the Fourth Proportional to 52,781.41, 72,834.55 and 28,904.23

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Solution

The fourth proportional to 52,781.41, 72,834.55 and 28,904.23 is: 39,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.41 : 72,834.55 = 28,904.23 : x
  2. Step 2: Convert to fraction form
    52,781.41/72,834.55 = 28,904.23/x
  3. Step 3: Cross multiply
    52,781.41x = 72,834.55 × 28,904.23
  4. Step 4: Simplify right side
    52,781.41x = 2,105,226,585.15
  5. Step 5: Solve for x
    x = 2,105,226,585.15/52,781.41
  6. Step 6: Final answer
    x = 39,885.76

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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.