Home / 36,480.71-50,342.72-20,565.18

Finding the Fourth Proportional to 36,480.71, 50,342.72 and 20,565.18

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Solution

The fourth proportional to 36,480.71, 50,342.72 and 20,565.18 is: 28,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.71 : 50,342.72 = 20,565.18 : x
  2. Step 2: Convert to fraction form
    36,480.71/50,342.72 = 20,565.18/x
  3. Step 3: Cross multiply
    36,480.71x = 50,342.72 × 20,565.18
  4. Step 4: Simplify right side
    36,480.71x = 1,035,306,995.66
  5. Step 5: Solve for x
    x = 1,035,306,995.66/36,480.71
  6. Step 6: Final answer
    x = 28,379.58

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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.