Home / 57,642.16-86,464.84-16,089.12

Finding the Fourth Proportional to 57,642.16, 86,464.84 and 16,089.12

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Solution

The fourth proportional to 57,642.16, 86,464.84 and 16,089.12 is: 24,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,642.16 : 86,464.84 = 16,089.12 : x
  2. Step 2: Convert to fraction form
    57,642.16/86,464.84 = 16,089.12/x
  3. Step 3: Cross multiply
    57,642.16x = 86,464.84 × 16,089.12
  4. Step 4: Simplify right side
    57,642.16x = 1,391,143,186.54
  5. Step 5: Solve for x
    x = 1,391,143,186.54/57,642.16
  6. Step 6: Final answer
    x = 24,134.13

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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.