Home / 29,483.20-40,617.60-20,515.30

Finding the Fourth Proportional to 29,483.20, 40,617.60 and 20,515.30

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Solution

The fourth proportional to 29,483.20, 40,617.60 and 20,515.30 is: 28,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.20 : 40,617.60 = 20,515.30 : x
  2. Step 2: Convert to fraction form
    29,483.20/40,617.60 = 20,515.30/x
  3. Step 3: Cross multiply
    29,483.20x = 40,617.60 × 20,515.30
  4. Step 4: Simplify right side
    29,483.20x = 833,282,249.28
  5. Step 5: Solve for x
    x = 833,282,249.28/29,483.20
  6. Step 6: Final answer
    x = 28,262.95

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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.