Home / 36,386.52-50,209.84-20,470.64

Finding the Fourth Proportional to 36,386.52, 50,209.84 and 20,470.64

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Solution

The fourth proportional to 36,386.52, 50,209.84 and 20,470.64 is: 28,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.52 : 50,209.84 = 20,470.64 : x
  2. Step 2: Convert to fraction form
    36,386.52/50,209.84 = 20,470.64/x
  3. Step 3: Cross multiply
    36,386.52x = 50,209.84 × 20,470.64
  4. Step 4: Simplify right side
    36,386.52x = 1,027,827,559.10
  5. Step 5: Solve for x
    x = 1,027,827,559.10/36,386.52
  6. Step 6: Final answer
    x = 28,247.48

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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.