Home / 48,425.14-72,641.49-18,840.70

Finding the Fourth Proportional to 48,425.14, 72,641.49 and 18,840.70

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Solution

The fourth proportional to 48,425.14, 72,641.49 and 18,840.70 is: 28,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.14 : 72,641.49 = 18,840.70 : x
  2. Step 2: Convert to fraction form
    48,425.14/72,641.49 = 18,840.70/x
  3. Step 3: Cross multiply
    48,425.14x = 72,641.49 × 18,840.70
  4. Step 4: Simplify right side
    48,425.14x = 1,368,616,520.64
  5. Step 5: Solve for x
    x = 1,368,616,520.64/48,425.14
  6. Step 6: Final answer
    x = 28,262.52

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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.