Home / 48,374.19-72,542.65-18,788.13

Finding the Fourth Proportional to 48,374.19, 72,542.65 and 18,788.13

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Solution

The fourth proportional to 48,374.19, 72,542.65 and 18,788.13 is: 28,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.19 : 72,542.65 = 18,788.13 : x
  2. Step 2: Convert to fraction form
    48,374.19/72,542.65 = 18,788.13/x
  3. Step 3: Cross multiply
    48,374.19x = 72,542.65 × 18,788.13
  4. Step 4: Simplify right side
    48,374.19x = 1,362,940,644.80
  5. Step 5: Solve for x
    x = 1,362,940,644.80/48,374.19
  6. Step 6: Final answer
    x = 28,174.96

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1.5x scale

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.