Home / 31,029.14-42,821.28-16,882.52

Finding the Fourth Proportional to 31,029.14, 42,821.28 and 16,882.52

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Solution

The fourth proportional to 31,029.14, 42,821.28 and 16,882.52 is: 23,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.14 : 42,821.28 = 16,882.52 : x
  2. Step 2: Convert to fraction form
    31,029.14/42,821.28 = 16,882.52/x
  3. Step 3: Cross multiply
    31,029.14x = 42,821.28 × 16,882.52
  4. Step 4: Simplify right side
    31,029.14x = 722,931,116.03
  5. Step 5: Solve for x
    x = 722,931,116.03/31,029.14
  6. Step 6: Final answer
    x = 23,298.46

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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.