Home / 47,641.80-71,466.14-12,581

Finding the Fourth Proportional to 47,641.80, 71,466.14 and 12,581

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Solution

The fourth proportional to 47,641.80, 71,466.14 and 12,581 is: 18,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.80 : 71,466.14 = 12,581 : x
  2. Step 2: Convert to fraction form
    47,641.80/71,466.14 = 12,581/x
  3. Step 3: Cross multiply
    47,641.80x = 71,466.14 × 12,581
  4. Step 4: Simplify right side
    47,641.80x = 899,115,507.34
  5. Step 5: Solve for x
    x = 899,115,507.34/47,641.80
  6. Step 6: Final answer
    x = 18,872.41

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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.