Home / 42,659.18-63,857.54-27,836.18

Finding the Fourth Proportional to 42,659.18, 63,857.54 and 27,836.18

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Solution

The fourth proportional to 42,659.18, 63,857.54 and 27,836.18 is: 41,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.18 : 63,857.54 = 27,836.18 : x
  2. Step 2: Convert to fraction form
    42,659.18/63,857.54 = 27,836.18/x
  3. Step 3: Cross multiply
    42,659.18x = 63,857.54 × 27,836.18
  4. Step 4: Simplify right side
    42,659.18x = 1,777,549,977.80
  5. Step 5: Solve for x
    x = 1,777,549,977.80/42,659.18
  6. Step 6: Final answer
    x = 41,668.64

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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.