Home / 40,815.20-56,329.02-24,910.28

Finding the Fourth Proportional to 40,815.20, 56,329.02 and 24,910.28

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Solution

The fourth proportional to 40,815.20, 56,329.02 and 24,910.28 is: 34,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.20 : 56,329.02 = 24,910.28 : x
  2. Step 2: Convert to fraction form
    40,815.20/56,329.02 = 24,910.28/x
  3. Step 3: Cross multiply
    40,815.20x = 56,329.02 × 24,910.28
  4. Step 4: Simplify right side
    40,815.20x = 1,403,171,660.33
  5. Step 5: Solve for x
    x = 1,403,171,660.33/40,815.20
  6. Step 6: Final answer
    x = 34,378.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.