Home / 52,531.28-72,493.38-28,658.48

Finding the Fourth Proportional to 52,531.28, 72,493.38 and 28,658.48

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Solution

The fourth proportional to 52,531.28, 72,493.38 and 28,658.48 is: 39,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.28 : 72,493.38 = 28,658.48 : x
  2. Step 2: Convert to fraction form
    52,531.28/72,493.38 = 28,658.48/x
  3. Step 3: Cross multiply
    52,531.28x = 72,493.38 × 28,658.48
  4. Step 4: Simplify right side
    52,531.28x = 2,077,550,080.86
  5. Step 5: Solve for x
    x = 2,077,550,080.86/52,531.28
  6. Step 6: Final answer
    x = 39,548.82

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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.