Home / 30,591.10-42,215.75-17,853.04

Finding the Fourth Proportional to 30,591.10, 42,215.75 and 17,853.04

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Solution

The fourth proportional to 30,591.10, 42,215.75 and 17,853.04 is: 24,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.10 : 42,215.75 = 17,853.04 : x
  2. Step 2: Convert to fraction form
    30,591.10/42,215.75 = 17,853.04/x
  3. Step 3: Cross multiply
    30,591.10x = 42,215.75 × 17,853.04
  4. Step 4: Simplify right side
    30,591.10x = 753,679,473.38
  5. Step 5: Solve for x
    x = 753,679,473.38/30,591.10
  6. Step 6: Final answer
    x = 24,637.21

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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.