Home / 45,679.32-62,996.56-28,685.12

Finding the Fourth Proportional to 45,679.32, 62,996.56 and 28,685.12

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Solution

The fourth proportional to 45,679.32, 62,996.56 and 28,685.12 is: 39,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.32 : 62,996.56 = 28,685.12 : x
  2. Step 2: Convert to fraction form
    45,679.32/62,996.56 = 28,685.12/x
  3. Step 3: Cross multiply
    45,679.32x = 62,996.56 × 28,685.12
  4. Step 4: Simplify right side
    45,679.32x = 1,807,063,883.19
  5. Step 5: Solve for x
    x = 1,807,063,883.19/45,679.32
  6. Step 6: Final answer
    x = 39,559.78

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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.