Home / 31,632.78-43,651.88-17,292.35

Finding the Fourth Proportional to 31,632.78, 43,651.88 and 17,292.35

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Solution

The fourth proportional to 31,632.78, 43,651.88 and 17,292.35 is: 23,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.78 : 43,651.88 = 17,292.35 : x
  2. Step 2: Convert to fraction form
    31,632.78/43,651.88 = 17,292.35/x
  3. Step 3: Cross multiply
    31,632.78x = 43,651.88 × 17,292.35
  4. Step 4: Simplify right side
    31,632.78x = 754,843,368.86
  5. Step 5: Solve for x
    x = 754,843,368.86/31,632.78
  6. Step 6: Final answer
    x = 23,862.69

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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.