Home / 30,613.61-42,249.20-17,184.02

Finding the Fourth Proportional to 30,613.61, 42,249.20 and 17,184.02

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Solution

The fourth proportional to 30,613.61, 42,249.20 and 17,184.02 is: 23,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.61 : 42,249.20 = 17,184.02 : x
  2. Step 2: Convert to fraction form
    30,613.61/42,249.20 = 17,184.02/x
  3. Step 3: Cross multiply
    30,613.61x = 42,249.20 × 17,184.02
  4. Step 4: Simplify right side
    30,613.61x = 726,010,800.62
  5. Step 5: Solve for x
    x = 726,010,800.62/30,613.61
  6. Step 6: Final answer
    x = 23,715.29

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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.