Home / 47,701.42-71,557.03-12,641.08

Finding the Fourth Proportional to 47,701.42, 71,557.03 and 12,641.08

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Solution

The fourth proportional to 47,701.42, 71,557.03 and 12,641.08 is: 18,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.42 : 71,557.03 = 12,641.08 : x
  2. Step 2: Convert to fraction form
    47,701.42/71,557.03 = 12,641.08/x
  3. Step 3: Cross multiply
    47,701.42x = 71,557.03 × 12,641.08
  4. Step 4: Simplify right side
    47,701.42x = 904,558,140.79
  5. Step 5: Solve for x
    x = 904,558,140.79/47,701.42
  6. Step 6: Final answer
    x = 18,962.92

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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.