Home / 36,454.76-50,308.50-20,539.80

Finding the Fourth Proportional to 36,454.76, 50,308.50 and 20,539.80

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Solution

The fourth proportional to 36,454.76, 50,308.50 and 20,539.80 is: 28,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.76 : 50,308.50 = 20,539.80 : x
  2. Step 2: Convert to fraction form
    36,454.76/50,308.50 = 20,539.80/x
  3. Step 3: Cross multiply
    36,454.76x = 50,308.50 × 20,539.80
  4. Step 4: Simplify right side
    36,454.76x = 1,033,326,528.30
  5. Step 5: Solve for x
    x = 1,033,326,528.30/36,454.76
  6. Step 6: Final answer
    x = 28,345.45

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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.