Home / 52,877.75-79,318.79-13,435.88

Finding the Fourth Proportional to 52,877.75, 79,318.79 and 13,435.88

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Solution

The fourth proportional to 52,877.75, 79,318.79 and 13,435.88 is: 20,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,877.75 : 79,318.79 = 13,435.88 : x
  2. Step 2: Convert to fraction form
    52,877.75/79,318.79 = 13,435.88/x
  3. Step 3: Cross multiply
    52,877.75x = 79,318.79 × 13,435.88
  4. Step 4: Simplify right side
    52,877.75x = 1,065,717,677.01
  5. Step 5: Solve for x
    x = 1,065,717,677.01/52,877.75
  6. Step 6: Final answer
    x = 20,154.37

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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.