Home / 47,539.70-71,304.06-12,482.10

Finding the Fourth Proportional to 47,539.70, 71,304.06 and 12,482.10

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Solution

The fourth proportional to 47,539.70, 71,304.06 and 12,482.10 is: 18,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,539.70 : 71,304.06 = 12,482.10 : x
  2. Step 2: Convert to fraction form
    47,539.70/71,304.06 = 12,482.10/x
  3. Step 3: Cross multiply
    47,539.70x = 71,304.06 × 12,482.10
  4. Step 4: Simplify right side
    47,539.70x = 890,024,407.33
  5. Step 5: Solve for x
    x = 890,024,407.33/47,539.70
  6. Step 6: Final answer
    x = 18,721.71

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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.