Home / 47,211.40-70,827.52-15,631.30

Finding the Fourth Proportional to 47,211.40, 70,827.52 and 15,631.30

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Solution

The fourth proportional to 47,211.40, 70,827.52 and 15,631.30 is: 23,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.40 : 70,827.52 = 15,631.30 : x
  2. Step 2: Convert to fraction form
    47,211.40/70,827.52 = 15,631.30/x
  3. Step 3: Cross multiply
    47,211.40x = 70,827.52 × 15,631.30
  4. Step 4: Simplify right side
    47,211.40x = 1,107,126,213.38
  5. Step 5: Solve for x
    x = 1,107,126,213.38/47,211.40
  6. Step 6: Final answer
    x = 23,450.40

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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.