Home / 47,542.53-71,328.71-28,588.98

Finding the Fourth Proportional to 47,542.53, 71,328.71 and 28,588.98

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Solution

The fourth proportional to 47,542.53, 71,328.71 and 28,588.98 is: 42,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,542.53 : 71,328.71 = 28,588.98 : x
  2. Step 2: Convert to fraction form
    47,542.53/71,328.71 = 28,588.98/x
  3. Step 3: Cross multiply
    47,542.53x = 71,328.71 × 28,588.98
  4. Step 4: Simplify right side
    47,542.53x = 2,039,215,135.09
  5. Step 5: Solve for x
    x = 2,039,215,135.09/47,542.53
  6. Step 6: Final answer
    x = 42,892.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.