Home / 57,534.12-86,312.12-18,080.64

Finding the Fourth Proportional to 57,534.12, 86,312.12 and 18,080.64

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Solution

The fourth proportional to 57,534.12, 86,312.12 and 18,080.64 is: 27,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.12 : 86,312.12 = 18,080.64 : x
  2. Step 2: Convert to fraction form
    57,534.12/86,312.12 = 18,080.64/x
  3. Step 3: Cross multiply
    57,534.12x = 86,312.12 × 18,080.64
  4. Step 4: Simplify right side
    57,534.12x = 1,560,578,278.95
  5. Step 5: Solve for x
    x = 1,560,578,278.95/57,534.12
  6. Step 6: Final answer
    x = 27,124.40

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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.