Home / 47,470.12-71,213.76-15,877.20

Finding the Fourth Proportional to 47,470.12, 71,213.76 and 15,877.20

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Solution

The fourth proportional to 47,470.12, 71,213.76 and 15,877.20 is: 23,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,470.12 : 71,213.76 = 15,877.20 : x
  2. Step 2: Convert to fraction form
    47,470.12/71,213.76 = 15,877.20/x
  3. Step 3: Cross multiply
    47,470.12x = 71,213.76 × 15,877.20
  4. Step 4: Simplify right side
    47,470.12x = 1,130,675,110.27
  5. Step 5: Solve for x
    x = 1,130,675,110.27/47,470.12
  6. Step 6: Final answer
    x = 23,818.67

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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.