Home / 43,728.16-65,644.36-41,945.76

Finding the Fourth Proportional to 43,728.16, 65,644.36 and 41,945.76

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Solution

The fourth proportional to 43,728.16, 65,644.36 and 41,945.76 is: 62,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.16 : 65,644.36 = 41,945.76 : x
  2. Step 2: Convert to fraction form
    43,728.16/65,644.36 = 41,945.76/x
  3. Step 3: Cross multiply
    43,728.16x = 65,644.36 × 41,945.76
  4. Step 4: Simplify right side
    43,728.16x = 2,753,502,569.91
  5. Step 5: Solve for x
    x = 2,753,502,569.91/43,728.16
  6. Step 6: Final answer
    x = 62,968.64

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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.