Home / 47,752.18-71,630.66-18,172.32

Finding the Fourth Proportional to 47,752.18, 71,630.66 and 18,172.32

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Solution

The fourth proportional to 47,752.18, 71,630.66 and 18,172.32 is: 27,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.18 : 71,630.66 = 18,172.32 : x
  2. Step 2: Convert to fraction form
    47,752.18/71,630.66 = 18,172.32/x
  3. Step 3: Cross multiply
    47,752.18x = 71,630.66 × 18,172.32
  4. Step 4: Simplify right side
    47,752.18x = 1,301,695,052.15
  5. Step 5: Solve for x
    x = 1,301,695,052.15/47,752.18
  6. Step 6: Final answer
    x = 27,259.38

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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.