Home / 47,707.04-71,562.50-12,169.28

Finding the Fourth Proportional to 47,707.04, 71,562.50 and 12,169.28

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Solution

The fourth proportional to 47,707.04, 71,562.50 and 12,169.28 is: 18,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,707.04 : 71,562.50 = 12,169.28 : x
  2. Step 2: Convert to fraction form
    47,707.04/71,562.50 = 12,169.28/x
  3. Step 3: Cross multiply
    47,707.04x = 71,562.50 × 12,169.28
  4. Step 4: Simplify right side
    47,707.04x = 870,864,100
  5. Step 5: Solve for x
    x = 870,864,100/47,707.04
  6. Step 6: Final answer
    x = 18,254.41

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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.