Home / 45,557.40-68,306.40-40,891.80

Finding the Fourth Proportional to 45,557.40, 68,306.40 and 40,891.80

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Solution

The fourth proportional to 45,557.40, 68,306.40 and 40,891.80 is: 61,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.40 : 68,306.40 = 40,891.80 : x
  2. Step 2: Convert to fraction form
    45,557.40/68,306.40 = 40,891.80/x
  3. Step 3: Cross multiply
    45,557.40x = 68,306.40 × 40,891.80
  4. Step 4: Simplify right side
    45,557.40x = 2,793,171,647.52
  5. Step 5: Solve for x
    x = 2,793,171,647.52/45,557.40
  6. Step 6: Final answer
    x = 61,311.04

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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.