Home / 54,036.89-74,570.62-31,381.45

Finding the Fourth Proportional to 54,036.89, 74,570.62 and 31,381.45

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Solution

The fourth proportional to 54,036.89, 74,570.62 and 31,381.45 is: 43,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.89 : 74,570.62 = 31,381.45 : x
  2. Step 2: Convert to fraction form
    54,036.89/74,570.62 = 31,381.45/x
  3. Step 3: Cross multiply
    54,036.89x = 74,570.62 × 31,381.45
  4. Step 4: Simplify right side
    54,036.89x = 2,340,133,653.24
  5. Step 5: Solve for x
    x = 2,340,133,653.24/54,036.89
  6. Step 6: Final answer
    x = 43,306.23

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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.