Home / 56,482.28-77,947.62-34,121.96

Finding the Fourth Proportional to 56,482.28, 77,947.62 and 34,121.96

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Solution

The fourth proportional to 56,482.28, 77,947.62 and 34,121.96 is: 47,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.28 : 77,947.62 = 34,121.96 : x
  2. Step 2: Convert to fraction form
    56,482.28/77,947.62 = 34,121.96/x
  3. Step 3: Cross multiply
    56,482.28x = 77,947.62 × 34,121.96
  4. Step 4: Simplify right side
    56,482.28x = 2,659,725,571.74
  5. Step 5: Solve for x
    x = 2,659,725,571.74/56,482.28
  6. Step 6: Final answer
    x = 47,089.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.