Home / 31,151.92-42,988.02-17,004.52

Finding the Fourth Proportional to 31,151.92, 42,988.02 and 17,004.52

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Solution

The fourth proportional to 31,151.92, 42,988.02 and 17,004.52 is: 23,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.92 : 42,988.02 = 17,004.52 : x
  2. Step 2: Convert to fraction form
    31,151.92/42,988.02 = 17,004.52/x
  3. Step 3: Cross multiply
    31,151.92x = 42,988.02 × 17,004.52
  4. Step 4: Simplify right side
    31,151.92x = 730,990,645.85
  5. Step 5: Solve for x
    x = 730,990,645.85/31,151.92
  6. Step 6: Final answer
    x = 23,465.35

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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.