Home / 31,429.28-43,373.52-17,283.20

Finding the Fourth Proportional to 31,429.28, 43,373.52 and 17,283.20

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Solution

The fourth proportional to 31,429.28, 43,373.52 and 17,283.20 is: 23,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.28 : 43,373.52 = 17,283.20 : x
  2. Step 2: Convert to fraction form
    31,429.28/43,373.52 = 17,283.20/x
  3. Step 3: Cross multiply
    31,429.28x = 43,373.52 × 17,283.20
  4. Step 4: Simplify right side
    31,429.28x = 749,633,220.86
  5. Step 5: Solve for x
    x = 749,633,220.86/31,429.28
  6. Step 6: Final answer
    x = 23,851.43

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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.