Home / 52,418.57-72,332.12-30,615.53

Finding the Fourth Proportional to 52,418.57, 72,332.12 and 30,615.53

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Solution

The fourth proportional to 52,418.57, 72,332.12 and 30,615.53 is: 42,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.57 : 72,332.12 = 30,615.53 : x
  2. Step 2: Convert to fraction form
    52,418.57/72,332.12 = 30,615.53/x
  3. Step 3: Cross multiply
    52,418.57x = 72,332.12 × 30,615.53
  4. Step 4: Simplify right side
    52,418.57x = 2,214,485,904.70
  5. Step 5: Solve for x
    x = 2,214,485,904.70/52,418.57
  6. Step 6: Final answer
    x = 42,246.21

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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.