Home / 40,118.16-60,182.96-13,815.84

Finding the Fourth Proportional to 40,118.16, 60,182.96 and 13,815.84

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Solution

The fourth proportional to 40,118.16, 60,182.96 and 13,815.84 is: 20,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.16 : 60,182.96 = 13,815.84 : x
  2. Step 2: Convert to fraction form
    40,118.16/60,182.96 = 13,815.84/x
  3. Step 3: Cross multiply
    40,118.16x = 60,182.96 × 13,815.84
  4. Step 4: Simplify right side
    40,118.16x = 831,478,146.09
  5. Step 5: Solve for x
    x = 831,478,146.09/40,118.16
  6. Step 6: Final answer
    x = 20,725.73

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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.