Home / 36,287.52-50,074.08-20,374.40

Finding the Fourth Proportional to 36,287.52, 50,074.08 and 20,374.40

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Solution

The fourth proportional to 36,287.52, 50,074.08 and 20,374.40 is: 28,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.52 : 50,074.08 = 20,374.40 : x
  2. Step 2: Convert to fraction form
    36,287.52/50,074.08 = 20,374.40/x
  3. Step 3: Cross multiply
    36,287.52x = 50,074.08 × 20,374.40
  4. Step 4: Simplify right side
    36,287.52x = 1,020,229,335.55
  5. Step 5: Solve for x
    x = 1,020,229,335.55/36,287.52
  6. Step 6: Final answer
    x = 28,115.16

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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.