Home / 67,540.10-93,202.43-38,857.59

Finding the Fourth Proportional to 67,540.10, 93,202.43 and 38,857.59

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Solution

The fourth proportional to 67,540.10, 93,202.43 and 38,857.59 is: 53,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.10 : 93,202.43 = 38,857.59 : x
  2. Step 2: Convert to fraction form
    67,540.10/93,202.43 = 38,857.59/x
  3. Step 3: Cross multiply
    67,540.10x = 93,202.43 × 38,857.59
  4. Step 4: Simplify right side
    67,540.10x = 3,621,621,617.66
  5. Step 5: Solve for x
    x = 3,621,621,617.66/67,540.10
  6. Step 6: Final answer
    x = 53,621.80

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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.