Home / 31,675,478.20-43,712,159.92-17,188,790.20

Finding the Fourth Proportional to 31,675,478.20, 43,712,159.92 and 17,188,790.20

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Solution

The fourth proportional to 31,675,478.20, 43,712,159.92 and 17,188,790.20 is: 23,720,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,478.20 : 43,712,159.92 = 17,188,790.20 : x
  2. Step 2: Convert to fraction form
    31,675,478.20/43,712,159.92 = 17,188,790.20/x
  3. Step 3: Cross multiply
    31,675,478.20x = 43,712,159.92 × 17,188,790.20
  4. Step 4: Simplify right side
    31,675,478.20x = 751,359,146,053,728.75
  5. Step 5: Solve for x
    x = 751,359,146,053,728.75/31,675,478.20
  6. Step 6: Final answer
    x = 23,720,530.48

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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.