Home / 54,036.64-74,570.27-31,381.20

Finding the Fourth Proportional to 54,036.64, 74,570.27 and 31,381.20

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Solution

The fourth proportional to 54,036.64, 74,570.27 and 31,381.20 is: 43,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.64 : 74,570.27 = 31,381.20 : x
  2. Step 2: Convert to fraction form
    54,036.64/74,570.27 = 31,381.20/x
  3. Step 3: Cross multiply
    54,036.64x = 74,570.27 × 31,381.20
  4. Step 4: Simplify right side
    54,036.64x = 2,340,104,184.07
  5. Step 5: Solve for x
    x = 2,340,104,184.07/54,036.64
  6. Step 6: Final answer
    x = 43,305.88

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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.