Home / 55,156.20-82,734.30-40,468.20

Finding the Fourth Proportional to 55,156.20, 82,734.30 and 40,468.20

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Solution

The fourth proportional to 55,156.20, 82,734.30 and 40,468.20 is: 60,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.20 : 82,734.30 = 40,468.20 : x
  2. Step 2: Convert to fraction form
    55,156.20/82,734.30 = 40,468.20/x
  3. Step 3: Cross multiply
    55,156.20x = 82,734.30 × 40,468.20
  4. Step 4: Simplify right side
    55,156.20x = 3,348,108,199.26
  5. Step 5: Solve for x
    x = 3,348,108,199.26/55,156.20
  6. Step 6: Final answer
    x = 60,702.30

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1.5x scale

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.