Home / 54,431.64-75,117.96-31,767.12

Finding the Fourth Proportional to 54,431.64, 75,117.96 and 31,767.12

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Solution

The fourth proportional to 54,431.64, 75,117.96 and 31,767.12 is: 43,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.64 : 75,117.96 = 31,767.12 : x
  2. Step 2: Convert to fraction form
    54,431.64/75,117.96 = 31,767.12/x
  3. Step 3: Cross multiply
    54,431.64x = 75,117.96 × 31,767.12
  4. Step 4: Simplify right side
    54,431.64x = 2,386,281,249.48
  5. Step 5: Solve for x
    x = 2,386,281,249.48/54,431.64
  6. Step 6: Final answer
    x = 43,839.97

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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.