Home / 45,552.80-68,329.20-40,887.20

Finding the Fourth Proportional to 45,552.80, 68,329.20 and 40,887.20

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Solution

The fourth proportional to 45,552.80, 68,329.20 and 40,887.20 is: 61,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,552.80 : 68,329.20 = 40,887.20 : x
  2. Step 2: Convert to fraction form
    45,552.80/68,329.20 = 40,887.20/x
  3. Step 3: Cross multiply
    45,552.80x = 68,329.20 × 40,887.20
  4. Step 4: Simplify right side
    45,552.80x = 2,793,789,666.24
  5. Step 5: Solve for x
    x = 2,793,789,666.24/45,552.80
  6. Step 6: Final answer
    x = 61,330.80

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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.