Home / 40,200.32-60,328.11-13,905.08

Finding the Fourth Proportional to 40,200.32, 60,328.11 and 13,905.08

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Solution

The fourth proportional to 40,200.32, 60,328.11 and 13,905.08 is: 20,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.32 : 60,328.11 = 13,905.08 : x
  2. Step 2: Convert to fraction form
    40,200.32/60,328.11 = 13,905.08/x
  3. Step 3: Cross multiply
    40,200.32x = 60,328.11 × 13,905.08
  4. Step 4: Simplify right side
    40,200.32x = 838,867,195.80
  5. Step 5: Solve for x
    x = 838,867,195.80/40,200.32
  6. Step 6: Final answer
    x = 20,867.18

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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.