Home / 47,118.57-70,688.31-15,538.42

Finding the Fourth Proportional to 47,118.57, 70,688.31 and 15,538.42

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Solution

The fourth proportional to 47,118.57, 70,688.31 and 15,538.42 is: 23,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.57 : 70,688.31 = 15,538.42 : x
  2. Step 2: Convert to fraction form
    47,118.57/70,688.31 = 15,538.42/x
  3. Step 3: Cross multiply
    47,118.57x = 70,688.31 × 15,538.42
  4. Step 4: Simplify right side
    47,118.57x = 1,098,384,649.87
  5. Step 5: Solve for x
    x = 1,098,384,649.87/47,118.57
  6. Step 6: Final answer
    x = 23,311.08

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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.