Home / 43,376.80-64,670.06-42,286.04

Finding the Fourth Proportional to 43,376.80, 64,670.06 and 42,286.04

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Solution

The fourth proportional to 43,376.80, 64,670.06 and 42,286.04 is: 63,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.80 : 64,670.06 = 42,286.04 : x
  2. Step 2: Convert to fraction form
    43,376.80/64,670.06 = 42,286.04/x
  3. Step 3: Cross multiply
    43,376.80x = 64,670.06 × 42,286.04
  4. Step 4: Simplify right side
    43,376.80x = 2,734,640,743.96
  5. Step 5: Solve for x
    x = 2,734,640,743.96/43,376.80
  6. Step 6: Final answer
    x = 63,043.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.