Home / 41,126.80-61,690.20-38,880.40

Finding the Fourth Proportional to 41,126.80, 61,690.20 and 38,880.40

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Solution

The fourth proportional to 41,126.80, 61,690.20 and 38,880.40 is: 58,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,126.80 : 61,690.20 = 38,880.40 : x
  2. Step 2: Convert to fraction form
    41,126.80/61,690.20 = 38,880.40/x
  3. Step 3: Cross multiply
    41,126.80x = 61,690.20 × 38,880.40
  4. Step 4: Simplify right side
    41,126.80x = 2,398,539,652.08
  5. Step 5: Solve for x
    x = 2,398,539,652.08/41,126.80
  6. Step 6: Final answer
    x = 58,320.60

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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.