Home / 40,358.94-60,499.53-12,650.46

Finding the Fourth Proportional to 40,358.94, 60,499.53 and 12,650.46

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Solution

The fourth proportional to 40,358.94, 60,499.53 and 12,650.46 is: 18,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.94 : 60,499.53 = 12,650.46 : x
  2. Step 2: Convert to fraction form
    40,358.94/60,499.53 = 12,650.46/x
  3. Step 3: Cross multiply
    40,358.94x = 60,499.53 × 12,650.46
  4. Step 4: Simplify right side
    40,358.94x = 765,346,884.28
  5. Step 5: Solve for x
    x = 765,346,884.28/40,358.94
  6. Step 6: Final answer
    x = 18,963.50

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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.