Home / 83,841.57-125,762.45-21,512.07

Finding the Fourth Proportional to 83,841.57, 125,762.45 and 21,512.07

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Solution

The fourth proportional to 83,841.57, 125,762.45 and 21,512.07 is: 32,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,841.57 : 125,762.45 = 21,512.07 : x
  2. Step 2: Convert to fraction form
    83,841.57/125,762.45 = 21,512.07/x
  3. Step 3: Cross multiply
    83,841.57x = 125,762.45 × 21,512.07
  4. Step 4: Simplify right side
    83,841.57x = 2,705,410,520.21
  5. Step 5: Solve for x
    x = 2,705,410,520.21/83,841.57
  6. Step 6: Final answer
    x = 32,268.13

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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.