Home / 38,719.80-58,084.02-12,415.32

Finding the Fourth Proportional to 38,719.80, 58,084.02 and 12,415.32

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Solution

The fourth proportional to 38,719.80, 58,084.02 and 12,415.32 is: 18,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.80 : 58,084.02 = 12,415.32 : x
  2. Step 2: Convert to fraction form
    38,719.80/58,084.02 = 12,415.32/x
  3. Step 3: Cross multiply
    38,719.80x = 58,084.02 × 12,415.32
  4. Step 4: Simplify right side
    38,719.80x = 721,131,695.19
  5. Step 5: Solve for x
    x = 721,131,695.19/38,719.80
  6. Step 6: Final answer
    x = 18,624.37

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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.