Home / 30,072.47-41,498.19-16,642.90

Finding the Fourth Proportional to 30,072.47, 41,498.19 and 16,642.90

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Solution

The fourth proportional to 30,072.47, 41,498.19 and 16,642.90 is: 22,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.47 : 41,498.19 = 16,642.90 : x
  2. Step 2: Convert to fraction form
    30,072.47/41,498.19 = 16,642.90/x
  3. Step 3: Cross multiply
    30,072.47x = 41,498.19 × 16,642.90
  4. Step 4: Simplify right side
    30,072.47x = 690,650,278.22
  5. Step 5: Solve for x
    x = 690,650,278.22/30,072.47
  6. Step 6: Final answer
    x = 22,966.20

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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.