Home / 53,145.55-79,713.06-18,084.70

Finding the Fourth Proportional to 53,145.55, 79,713.06 and 18,084.70

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Solution

The fourth proportional to 53,145.55, 79,713.06 and 18,084.70 is: 27,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.55 : 79,713.06 = 18,084.70 : x
  2. Step 2: Convert to fraction form
    53,145.55/79,713.06 = 18,084.70/x
  3. Step 3: Cross multiply
    53,145.55x = 79,713.06 × 18,084.70
  4. Step 4: Simplify right side
    53,145.55x = 1,441,586,776.18
  5. Step 5: Solve for x
    x = 1,441,586,776.18/53,145.55
  6. Step 6: Final answer
    x = 27,125.26

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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.