Home / 31,637.32-43,657.79-17,489.25

Finding the Fourth Proportional to 31,637.32, 43,657.79 and 17,489.25

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Solution

The fourth proportional to 31,637.32, 43,657.79 and 17,489.25 is: 24,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.32 : 43,657.79 = 17,489.25 : x
  2. Step 2: Convert to fraction form
    31,637.32/43,657.79 = 17,489.25/x
  3. Step 3: Cross multiply
    31,637.32x = 43,657.79 × 17,489.25
  4. Step 4: Simplify right side
    31,637.32x = 763,541,916.31
  5. Step 5: Solve for x
    x = 763,541,916.31/31,637.32
  6. Step 6: Final answer
    x = 24,134.22

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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.