Home / 45,278.80-67,918.22-15,696.64

Finding the Fourth Proportional to 45,278.80, 67,918.22 and 15,696.64

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Solution

The fourth proportional to 45,278.80, 67,918.22 and 15,696.64 is: 23,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278.80 : 67,918.22 = 15,696.64 : x
  2. Step 2: Convert to fraction form
    45,278.80/67,918.22 = 15,696.64/x
  3. Step 3: Cross multiply
    45,278.80x = 67,918.22 × 15,696.64
  4. Step 4: Simplify right side
    45,278.80x = 1,066,087,848.78
  5. Step 5: Solve for x
    x = 1,066,087,848.78/45,278.80
  6. Step 6: Final answer
    x = 23,544.97

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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.