Home / 30,219.12-41,702.40-17,641.44

Finding the Fourth Proportional to 30,219.12, 41,702.40 and 17,641.44

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Solution

The fourth proportional to 30,219.12, 41,702.40 and 17,641.44 is: 24,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.12 : 41,702.40 = 17,641.44 : x
  2. Step 2: Convert to fraction form
    30,219.12/41,702.40 = 17,641.44/x
  3. Step 3: Cross multiply
    30,219.12x = 41,702.40 × 17,641.44
  4. Step 4: Simplify right side
    30,219.12x = 735,690,387.46
  5. Step 5: Solve for x
    x = 735,690,387.46/30,219.12
  6. Step 6: Final answer
    x = 24,345.20

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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.