Home / 47,407.28-71,114.99-12,346.88

Finding the Fourth Proportional to 47,407.28, 71,114.99 and 12,346.88

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Solution

The fourth proportional to 47,407.28, 71,114.99 and 12,346.88 is: 18,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.28 : 71,114.99 = 12,346.88 : x
  2. Step 2: Convert to fraction form
    47,407.28/71,114.99 = 12,346.88/x
  3. Step 3: Cross multiply
    47,407.28x = 71,114.99 × 12,346.88
  4. Step 4: Simplify right side
    47,407.28x = 878,047,830.42
  5. Step 5: Solve for x
    x = 878,047,830.42/47,407.28
  6. Step 6: Final answer
    x = 18,521.37

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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.