Home / 20,468.32-30,702.36-5,677.08

Finding the Fourth Proportional to 20,468.32, 30,702.36 and 5,677.08

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Solution

The fourth proportional to 20,468.32, 30,702.36 and 5,677.08 is: 8,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.32 : 30,702.36 = 5,677.08 : x
  2. Step 2: Convert to fraction form
    20,468.32/30,702.36 = 5,677.08/x
  3. Step 3: Cross multiply
    20,468.32x = 30,702.36 × 5,677.08
  4. Step 4: Simplify right side
    20,468.32x = 174,299,753.91
  5. Step 5: Solve for x
    x = 174,299,753.91/20,468.32
  6. Step 6: Final answer
    x = 8,515.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.