Home / 47,637.32-71,454.76-12,577.28

Finding the Fourth Proportional to 47,637.32, 71,454.76 and 12,577.28

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Solution

The fourth proportional to 47,637.32, 71,454.76 and 12,577.28 is: 18,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,637.32 : 71,454.76 = 12,577.28 : x
  2. Step 2: Convert to fraction form
    47,637.32/71,454.76 = 12,577.28/x
  3. Step 3: Cross multiply
    47,637.32x = 71,454.76 × 12,577.28
  4. Step 4: Simplify right side
    47,637.32x = 898,706,135.14
  5. Step 5: Solve for x
    x = 898,706,135.14/47,637.32
  6. Step 6: Final answer
    x = 18,865.59

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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.