Home / 32,989.71-45,531.89-18,842.55

Finding the Fourth Proportional to 32,989.71, 45,531.89 and 18,842.55

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Solution

The fourth proportional to 32,989.71, 45,531.89 and 18,842.55 is: 26,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.71 : 45,531.89 = 18,842.55 : x
  2. Step 2: Convert to fraction form
    32,989.71/45,531.89 = 18,842.55/x
  3. Step 3: Cross multiply
    32,989.71x = 45,531.89 × 18,842.55
  4. Step 4: Simplify right side
    32,989.71x = 857,936,819.71
  5. Step 5: Solve for x
    x = 857,936,819.71/32,989.71
  6. Step 6: Final answer
    x = 26,006.19

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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.