Home / 30,448.17-42,010.11-17,017.92

Finding the Fourth Proportional to 30,448.17, 42,010.11 and 17,017.92

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Solution

The fourth proportional to 30,448.17, 42,010.11 and 17,017.92 is: 23,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.17 : 42,010.11 = 17,017.92 : x
  2. Step 2: Convert to fraction form
    30,448.17/42,010.11 = 17,017.92/x
  3. Step 3: Cross multiply
    30,448.17x = 42,010.11 × 17,017.92
  4. Step 4: Simplify right side
    30,448.17x = 714,924,691.17
  5. Step 5: Solve for x
    x = 714,924,691.17/30,448.17
  6. Step 6: Final answer
    x = 23,480.05

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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.