Home / 51,947.68-77,904.96-16,878.88

Finding the Fourth Proportional to 51,947.68, 77,904.96 and 16,878.88

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Solution

The fourth proportional to 51,947.68, 77,904.96 and 16,878.88 is: 25,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.68 : 77,904.96 = 16,878.88 : x
  2. Step 2: Convert to fraction form
    51,947.68/77,904.96 = 16,878.88/x
  3. Step 3: Cross multiply
    51,947.68x = 77,904.96 × 16,878.88
  4. Step 4: Simplify right side
    51,947.68x = 1,314,948,471.24
  5. Step 5: Solve for x
    x = 1,314,948,471.24/51,947.68
  6. Step 6: Final answer
    x = 25,312.94

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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.