Home / 40,436.55-60,662.12-13,781.07

Finding the Fourth Proportional to 40,436.55, 60,662.12 and 13,781.07

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Solution

The fourth proportional to 40,436.55, 60,662.12 and 13,781.07 is: 20,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.55 : 60,662.12 = 13,781.07 : x
  2. Step 2: Convert to fraction form
    40,436.55/60,662.12 = 13,781.07/x
  3. Step 3: Cross multiply
    40,436.55x = 60,662.12 × 13,781.07
  4. Step 4: Simplify right side
    40,436.55x = 835,988,853.16
  5. Step 5: Solve for x
    x = 835,988,853.16/40,436.55
  6. Step 6: Final answer
    x = 20,674.09

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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.