Home / 52,672.15-79,039.40-19,415.57

Finding the Fourth Proportional to 52,672.15, 79,039.40 and 19,415.57

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Solution

The fourth proportional to 52,672.15, 79,039.40 and 19,415.57 is: 29,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.15 : 79,039.40 = 19,415.57 : x
  2. Step 2: Convert to fraction form
    52,672.15/79,039.40 = 19,415.57/x
  3. Step 3: Cross multiply
    52,672.15x = 79,039.40 × 19,415.57
  4. Step 4: Simplify right side
    52,672.15x = 1,534,595,003.46
  5. Step 5: Solve for x
    x = 1,534,595,003.46/52,672.15
  6. Step 6: Final answer
    x = 29,134.85

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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.