Home / 48,247.98-72,374.01-13,187.55

Finding the Fourth Proportional to 48,247.98, 72,374.01 and 13,187.55

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Solution

The fourth proportional to 48,247.98, 72,374.01 and 13,187.55 is: 19,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,247.98 : 72,374.01 = 13,187.55 : x
  2. Step 2: Convert to fraction form
    48,247.98/72,374.01 = 13,187.55/x
  3. Step 3: Cross multiply
    48,247.98x = 72,374.01 × 13,187.55
  4. Step 4: Simplify right side
    48,247.98x = 954,435,875.58
  5. Step 5: Solve for x
    x = 954,435,875.58/48,247.98
  6. Step 6: Final answer
    x = 19,781.88

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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.