Home / 36,225.68-49,986-20,702.12

Finding the Fourth Proportional to 36,225.68, 49,986 and 20,702.12

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Solution

The fourth proportional to 36,225.68, 49,986 and 20,702.12 is: 28,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.68 : 49,986 = 20,702.12 : x
  2. Step 2: Convert to fraction form
    36,225.68/49,986 = 20,702.12/x
  3. Step 3: Cross multiply
    36,225.68x = 49,986 × 20,702.12
  4. Step 4: Simplify right side
    36,225.68x = 1,034,815,920.39
  5. Step 5: Solve for x
    x = 1,034,815,920.39/36,225.68
  6. Step 6: Final answer
    x = 28,565.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.