Home / 31,875.50-43,988.19-17,728.04

Finding the Fourth Proportional to 31,875.50, 43,988.19 and 17,728.04

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Solution

The fourth proportional to 31,875.50, 43,988.19 and 17,728.04 is: 24,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.50 : 43,988.19 = 17,728.04 : x
  2. Step 2: Convert to fraction form
    31,875.50/43,988.19 = 17,728.04/x
  3. Step 3: Cross multiply
    31,875.50x = 43,988.19 × 17,728.04
  4. Step 4: Simplify right side
    31,875.50x = 779,824,391.85
  5. Step 5: Solve for x
    x = 779,824,391.85/31,875.50
  6. Step 6: Final answer
    x = 24,464.70

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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.