Home / 30,442.03-42,010.25-17,013.85

Finding the Fourth Proportional to 30,442.03, 42,010.25 and 17,013.85

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Solution

The fourth proportional to 30,442.03, 42,010.25 and 17,013.85 is: 23,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.03 : 42,010.25 = 17,013.85 : x
  2. Step 2: Convert to fraction form
    30,442.03/42,010.25 = 17,013.85/x
  3. Step 3: Cross multiply
    30,442.03x = 42,010.25 × 17,013.85
  4. Step 4: Simplify right side
    30,442.03x = 714,755,901.87
  5. Step 5: Solve for x
    x = 714,755,901.87/30,442.03
  6. Step 6: Final answer
    x = 23,479.25

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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.