Home / 51,486.12-77,232.69-16,428.42

Finding the Fourth Proportional to 51,486.12, 77,232.69 and 16,428.42

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Solution

The fourth proportional to 51,486.12, 77,232.69 and 16,428.42 is: 24,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.12 : 77,232.69 = 16,428.42 : x
  2. Step 2: Convert to fraction form
    51,486.12/77,232.69 = 16,428.42/x
  3. Step 3: Cross multiply
    51,486.12x = 77,232.69 × 16,428.42
  4. Step 4: Simplify right side
    51,486.12x = 1,268,811,069.05
  5. Step 5: Solve for x
    x = 1,268,811,069.05/51,486.12
  6. Step 6: Final answer
    x = 24,643.75

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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.