Home / 30,614.90-42,248.53-17,186.18

Finding the Fourth Proportional to 30,614.90, 42,248.53 and 17,186.18

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Solution

The fourth proportional to 30,614.90, 42,248.53 and 17,186.18 is: 23,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.90 : 42,248.53 = 17,186.18 : x
  2. Step 2: Convert to fraction form
    30,614.90/42,248.53 = 17,186.18/x
  3. Step 3: Cross multiply
    30,614.90x = 42,248.53 × 17,186.18
  4. Step 4: Simplify right side
    30,614.90x = 726,090,630.07
  5. Step 5: Solve for x
    x = 726,090,630.07/30,614.90
  6. Step 6: Final answer
    x = 23,716.91

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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.