Home / 29,620.80-40,877.19-17,685.18

Finding the Fourth Proportional to 29,620.80, 40,877.19 and 17,685.18

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Solution

The fourth proportional to 29,620.80, 40,877.19 and 17,685.18 is: 24,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.80 : 40,877.19 = 17,685.18 : x
  2. Step 2: Convert to fraction form
    29,620.80/40,877.19 = 17,685.18/x
  3. Step 3: Cross multiply
    29,620.80x = 40,877.19 × 17,685.18
  4. Step 4: Simplify right side
    29,620.80x = 722,920,463.04
  5. Step 5: Solve for x
    x = 722,920,463.04/29,620.80
  6. Step 6: Final answer
    x = 24,405.84

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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.