Home / 40,200.86-60,304.20-10,618.31

Finding the Fourth Proportional to 40,200.86, 60,304.20 and 10,618.31

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Solution

The fourth proportional to 40,200.86, 60,304.20 and 10,618.31 is: 15,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.86 : 60,304.20 = 10,618.31 : x
  2. Step 2: Convert to fraction form
    40,200.86/60,304.20 = 10,618.31/x
  3. Step 3: Cross multiply
    40,200.86x = 60,304.20 × 10,618.31
  4. Step 4: Simplify right side
    40,200.86x = 640,328,800.84
  5. Step 5: Solve for x
    x = 640,328,800.84/40,200.86
  6. Step 6: Final answer
    x = 15,928.24

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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.