Home / 31,151.52-42,989.33-17,004.74

Finding the Fourth Proportional to 31,151.52, 42,989.33 and 17,004.74

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Solution

The fourth proportional to 31,151.52, 42,989.33 and 17,004.74 is: 23,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.52 : 42,989.33 = 17,004.74 : x
  2. Step 2: Convert to fraction form
    31,151.52/42,989.33 = 17,004.74/x
  3. Step 3: Cross multiply
    31,151.52x = 42,989.33 × 17,004.74
  4. Step 4: Simplify right side
    31,151.52x = 731,022,206.99
  5. Step 5: Solve for x
    x = 731,022,206.99/31,151.52
  6. Step 6: Final answer
    x = 23,466.66

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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.