Home / 41,157.06-61,686.36-18,948.06

Finding the Fourth Proportional to 41,157.06, 61,686.36 and 18,948.06

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Solution

The fourth proportional to 41,157.06, 61,686.36 and 18,948.06 is: 28,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,157.06 : 61,686.36 = 18,948.06 : x
  2. Step 2: Convert to fraction form
    41,157.06/61,686.36 = 18,948.06/x
  3. Step 3: Cross multiply
    41,157.06x = 61,686.36 × 18,948.06
  4. Step 4: Simplify right side
    41,157.06x = 1,168,836,850.46
  5. Step 5: Solve for x
    x = 1,168,836,850.46/41,157.06
  6. Step 6: Final answer
    x = 28,399.43

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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.