Home / 47,036.60-70,537.84-13,747.92

Finding the Fourth Proportional to 47,036.60, 70,537.84 and 13,747.92

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Solution

The fourth proportional to 47,036.60, 70,537.84 and 13,747.92 is: 20,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,036.60 : 70,537.84 = 13,747.92 : x
  2. Step 2: Convert to fraction form
    47,036.60/70,537.84 = 13,747.92/x
  3. Step 3: Cross multiply
    47,036.60x = 70,537.84 × 13,747.92
  4. Step 4: Simplify right side
    47,036.60x = 969,748,581.29
  5. Step 5: Solve for x
    x = 969,748,581.29/47,036.60
  6. Step 6: Final answer
    x = 20,616.89

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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.