Home / 52,814.10-72,883.03-28,940.71

Finding the Fourth Proportional to 52,814.10, 72,883.03 and 28,940.71

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Solution

The fourth proportional to 52,814.10, 72,883.03 and 28,940.71 is: 39,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.10 : 72,883.03 = 28,940.71 : x
  2. Step 2: Convert to fraction form
    52,814.10/72,883.03 = 28,940.71/x
  3. Step 3: Cross multiply
    52,814.10x = 72,883.03 × 28,940.71
  4. Step 4: Simplify right side
    52,814.10x = 2,109,286,635.15
  5. Step 5: Solve for x
    x = 2,109,286,635.15/52,814.10
  6. Step 6: Final answer
    x = 39,937.95

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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.