Home / 31,686.59-43,726.96-17,539.13

Finding the Fourth Proportional to 31,686.59, 43,726.96 and 17,539.13

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Solution

The fourth proportional to 31,686.59, 43,726.96 and 17,539.13 is: 24,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686.59 : 43,726.96 = 17,539.13 : x
  2. Step 2: Convert to fraction form
    31,686.59/43,726.96 = 17,539.13/x
  3. Step 3: Cross multiply
    31,686.59x = 43,726.96 × 17,539.13
  4. Step 4: Simplify right side
    31,686.59x = 766,932,835.94
  5. Step 5: Solve for x
    x = 766,932,835.94/31,686.59
  6. Step 6: Final answer
    x = 24,203.70

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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.