Home / 47,020.12-70,536.76-13,742.62

Finding the Fourth Proportional to 47,020.12, 70,536.76 and 13,742.62

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Solution

The fourth proportional to 47,020.12, 70,536.76 and 13,742.62 is: 20,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.12 : 70,536.76 = 13,742.62 : x
  2. Step 2: Convert to fraction form
    47,020.12/70,536.76 = 13,742.62/x
  3. Step 3: Cross multiply
    47,020.12x = 70,536.76 × 13,742.62
  4. Step 4: Simplify right side
    47,020.12x = 969,359,888.71
  5. Step 5: Solve for x
    x = 969,359,888.71/47,020.12
  6. Step 6: Final answer
    x = 20,615.85

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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.