Home / 52,431.75-78,655.65-17,379.63

Finding the Fourth Proportional to 52,431.75, 78,655.65 and 17,379.63

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Solution

The fourth proportional to 52,431.75, 78,655.65 and 17,379.63 is: 26,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.75 : 78,655.65 = 17,379.63 : x
  2. Step 2: Convert to fraction form
    52,431.75/78,655.65 = 17,379.63/x
  3. Step 3: Cross multiply
    52,431.75x = 78,655.65 × 17,379.63
  4. Step 4: Simplify right side
    52,431.75x = 1,367,006,094.41
  5. Step 5: Solve for x
    x = 1,367,006,094.41/52,431.75
  6. Step 6: Final answer
    x = 26,072.11

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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.