Home / 52,920.12-79,379.94-15,984.12

Finding the Fourth Proportional to 52,920.12, 79,379.94 and 15,984.12

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Solution

The fourth proportional to 52,920.12, 79,379.94 and 15,984.12 is: 23,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,920.12 : 79,379.94 = 15,984.12 : x
  2. Step 2: Convert to fraction form
    52,920.12/79,379.94 = 15,984.12/x
  3. Step 3: Cross multiply
    52,920.12x = 79,379.94 × 15,984.12
  4. Step 4: Simplify right side
    52,920.12x = 1,268,818,486.55
  5. Step 5: Solve for x
    x = 1,268,818,486.55/52,920.12
  6. Step 6: Final answer
    x = 23,976.11

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1.5x scale

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.