Home / 52,776.15-79,171.98-15,331.33

Finding the Fourth Proportional to 52,776.15, 79,171.98 and 15,331.33

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Solution

The fourth proportional to 52,776.15, 79,171.98 and 15,331.33 is: 22,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,776.15 : 79,171.98 = 15,331.33 : x
  2. Step 2: Convert to fraction form
    52,776.15/79,171.98 = 15,331.33/x
  3. Step 3: Cross multiply
    52,776.15x = 79,171.98 × 15,331.33
  4. Step 4: Simplify right side
    52,776.15x = 1,213,811,752.13
  5. Step 5: Solve for x
    x = 1,213,811,752.13/52,776.15
  6. Step 6: Final answer
    x = 22,999.25

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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.