Home / 47,411.74-71,120.85-15,820.66

Finding the Fourth Proportional to 47,411.74, 71,120.85 and 15,820.66

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Solution

The fourth proportional to 47,411.74, 71,120.85 and 15,820.66 is: 23,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,411.74 : 71,120.85 = 15,820.66 : x
  2. Step 2: Convert to fraction form
    47,411.74/71,120.85 = 15,820.66/x
  3. Step 3: Cross multiply
    47,411.74x = 71,120.85 × 15,820.66
  4. Step 4: Simplify right side
    47,411.74x = 1,125,178,786.76
  5. Step 5: Solve for x
    x = 1,125,178,786.76/47,411.74
  6. Step 6: Final answer
    x = 23,732.07

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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.