Home / 83,827.60-125,741.42-21,498.10

Finding the Fourth Proportional to 83,827.60, 125,741.42 and 21,498.10

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Solution

The fourth proportional to 83,827.60, 125,741.42 and 21,498.10 is: 32,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.60 : 125,741.42 = 21,498.10 : x
  2. Step 2: Convert to fraction form
    83,827.60/125,741.42 = 21,498.10/x
  3. Step 3: Cross multiply
    83,827.60x = 125,741.42 × 21,498.10
  4. Step 4: Simplify right side
    83,827.60x = 2,703,201,621.30
  5. Step 5: Solve for x
    x = 2,703,201,621.30/83,827.60
  6. Step 6: Final answer
    x = 32,247.16

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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.