Home / 47,013.30-70,520.40-11,952.96

Finding the Fourth Proportional to 47,013.30, 70,520.40 and 11,952.96

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Solution

The fourth proportional to 47,013.30, 70,520.40 and 11,952.96 is: 17,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.30 : 70,520.40 = 11,952.96 : x
  2. Step 2: Convert to fraction form
    47,013.30/70,520.40 = 11,952.96/x
  3. Step 3: Cross multiply
    47,013.30x = 70,520.40 × 11,952.96
  4. Step 4: Simplify right side
    47,013.30x = 842,927,520.38
  5. Step 5: Solve for x
    x = 842,927,520.38/47,013.30
  6. Step 6: Final answer
    x = 17,929.55

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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.