Home / 54,446.22-81,727.65-42,840.54

Finding the Fourth Proportional to 54,446.22, 81,727.65 and 42,840.54

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Solution

The fourth proportional to 54,446.22, 81,727.65 and 42,840.54 is: 64,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,446.22 : 81,727.65 = 42,840.54 : x
  2. Step 2: Convert to fraction form
    54,446.22/81,727.65 = 42,840.54/x
  3. Step 3: Cross multiply
    54,446.22x = 81,727.65 × 42,840.54
  4. Step 4: Simplify right side
    54,446.22x = 3,501,256,658.93
  5. Step 5: Solve for x
    x = 3,501,256,658.93/54,446.22
  6. Step 6: Final answer
    x = 64,306.70

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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.