Home / 34,407.12-47,470.62-20,063.71

Finding the Fourth Proportional to 34,407.12, 47,470.62 and 20,063.71

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Solution

The fourth proportional to 34,407.12, 47,470.62 and 20,063.71 is: 27,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,407.12 : 47,470.62 = 20,063.71 : x
  2. Step 2: Convert to fraction form
    34,407.12/47,470.62 = 20,063.71/x
  3. Step 3: Cross multiply
    34,407.12x = 47,470.62 × 20,063.71
  4. Step 4: Simplify right side
    34,407.12x = 952,436,652.88
  5. Step 5: Solve for x
    x = 952,436,652.88/34,407.12
  6. Step 6: Final answer
    x = 27,681.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.