Home / 40,209.48-60,318.36-13,914.18

Finding the Fourth Proportional to 40,209.48, 60,318.36 and 13,914.18

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Solution

The fourth proportional to 40,209.48, 60,318.36 and 13,914.18 is: 20,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.48 : 60,318.36 = 13,914.18 : x
  2. Step 2: Convert to fraction form
    40,209.48/60,318.36 = 13,914.18/x
  3. Step 3: Cross multiply
    40,209.48x = 60,318.36 × 13,914.18
  4. Step 4: Simplify right side
    40,209.48x = 839,280,518.34
  5. Step 5: Solve for x
    x = 839,280,518.34/40,209.48
  6. Step 6: Final answer
    x = 20,872.70

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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.