Home / 30,937.18-42,693.28-17,508.18

Finding the Fourth Proportional to 30,937.18, 42,693.28 and 17,508.18

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Solution

The fourth proportional to 30,937.18, 42,693.28 and 17,508.18 is: 24,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.18 : 42,693.28 = 17,508.18 : x
  2. Step 2: Convert to fraction form
    30,937.18/42,693.28 = 17,508.18/x
  3. Step 3: Cross multiply
    30,937.18x = 42,693.28 × 17,508.18
  4. Step 4: Simplify right side
    30,937.18x = 747,481,631.03
  5. Step 5: Solve for x
    x = 747,481,631.03/30,937.18
  6. Step 6: Final answer
    x = 24,161.27

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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.