Home / 52,270.68-72,084.36-40,315.08

Finding the Fourth Proportional to 52,270.68, 72,084.36 and 40,315.08

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Solution

The fourth proportional to 52,270.68, 72,084.36 and 40,315.08 is: 55,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,270.68 : 72,084.36 = 40,315.08 : x
  2. Step 2: Convert to fraction form
    52,270.68/72,084.36 = 40,315.08/x
  3. Step 3: Cross multiply
    52,270.68x = 72,084.36 × 40,315.08
  4. Step 4: Simplify right side
    52,270.68x = 2,906,086,740.15
  5. Step 5: Solve for x
    x = 2,906,086,740.15/52,270.68
  6. Step 6: Final answer
    x = 55,596.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.