Home / 53,386.20-80,079.30-33,751.80

Finding the Fourth Proportional to 53,386.20, 80,079.30 and 33,751.80

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Solution

The fourth proportional to 53,386.20, 80,079.30 and 33,751.80 is: 50,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.20 : 80,079.30 = 33,751.80 : x
  2. Step 2: Convert to fraction form
    53,386.20/80,079.30 = 33,751.80/x
  3. Step 3: Cross multiply
    53,386.20x = 80,079.30 × 33,751.80
  4. Step 4: Simplify right side
    53,386.20x = 2,702,820,517.74
  5. Step 5: Solve for x
    x = 2,702,820,517.74/53,386.20
  6. Step 6: Final answer
    x = 50,627.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.