Home / 51,486.13-77,230.55-16,425.79

Finding the Fourth Proportional to 51,486.13, 77,230.55 and 16,425.79

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Solution

The fourth proportional to 51,486.13, 77,230.55 and 16,425.79 is: 24,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.13 : 77,230.55 = 16,425.79 : x
  2. Step 2: Convert to fraction form
    51,486.13/77,230.55 = 16,425.79/x
  3. Step 3: Cross multiply
    51,486.13x = 77,230.55 × 16,425.79
  4. Step 4: Simplify right side
    51,486.13x = 1,268,572,643.87
  5. Step 5: Solve for x
    x = 1,268,572,643.87/51,486.13
  6. Step 6: Final answer
    x = 24,639.11

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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.