Home / 47,157.05-70,744.30-15,569.31

Finding the Fourth Proportional to 47,157.05, 70,744.30 and 15,569.31

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Solution

The fourth proportional to 47,157.05, 70,744.30 and 15,569.31 is: 23,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.05 : 70,744.30 = 15,569.31 : x
  2. Step 2: Convert to fraction form
    47,157.05/70,744.30 = 15,569.31/x
  3. Step 3: Cross multiply
    47,157.05x = 70,744.30 × 15,569.31
  4. Step 4: Simplify right side
    47,157.05x = 1,101,439,937.43
  5. Step 5: Solve for x
    x = 1,101,439,937.43/47,157.05
  6. Step 6: Final answer
    x = 23,356.85

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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.