Home / 54,071.91-74,607.66-31,399.20

Finding the Fourth Proportional to 54,071.91, 74,607.66 and 31,399.20

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Solution

The fourth proportional to 54,071.91, 74,607.66 and 31,399.20 is: 43,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.91 : 74,607.66 = 31,399.20 : x
  2. Step 2: Convert to fraction form
    54,071.91/74,607.66 = 31,399.20/x
  3. Step 3: Cross multiply
    54,071.91x = 74,607.66 × 31,399.20
  4. Step 4: Simplify right side
    54,071.91x = 2,342,620,837.87
  5. Step 5: Solve for x
    x = 2,342,620,837.87/54,071.91
  6. Step 6: Final answer
    x = 43,324.17

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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.