Home / 55,694.12-83,393.38-43,565.40

Finding the Fourth Proportional to 55,694.12, 83,393.38 and 43,565.40

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Solution

The fourth proportional to 55,694.12, 83,393.38 and 43,565.40 is: 65,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.12 : 83,393.38 = 43,565.40 : x
  2. Step 2: Convert to fraction form
    55,694.12/83,393.38 = 43,565.40/x
  3. Step 3: Cross multiply
    55,694.12x = 83,393.38 × 43,565.40
  4. Step 4: Simplify right side
    55,694.12x = 3,633,065,957.05
  5. Step 5: Solve for x
    x = 3,633,065,957.05/55,694.12
  6. Step 6: Final answer
    x = 65,232.49

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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.