Home / 30,614.20-42,248.32-17,186.52

Finding the Fourth Proportional to 30,614.20, 42,248.32 and 17,186.52

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Solution

The fourth proportional to 30,614.20, 42,248.32 and 17,186.52 is: 23,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.20 : 42,248.32 = 17,186.52 : x
  2. Step 2: Convert to fraction form
    30,614.20/42,248.32 = 17,186.52/x
  3. Step 3: Cross multiply
    30,614.20x = 42,248.32 × 17,186.52
  4. Step 4: Simplify right side
    30,614.20x = 726,101,596.65
  5. Step 5: Solve for x
    x = 726,101,596.65/30,614.20
  6. Step 6: Final answer
    x = 23,717.80

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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.