Home / 47,310.18-70,956.12-15,715.32

Finding the Fourth Proportional to 47,310.18, 70,956.12 and 15,715.32

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Solution

The fourth proportional to 47,310.18, 70,956.12 and 15,715.32 is: 23,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.18 : 70,956.12 = 15,715.32 : x
  2. Step 2: Convert to fraction form
    47,310.18/70,956.12 = 15,715.32/x
  3. Step 3: Cross multiply
    47,310.18x = 70,956.12 × 15,715.32
  4. Step 4: Simplify right side
    47,310.18x = 1,115,098,131.76
  5. Step 5: Solve for x
    x = 1,115,098,131.76/47,310.18
  6. Step 6: Final answer
    x = 23,569.94

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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.