Home / 54,145.89-74,691.33-31,482.38

Finding the Fourth Proportional to 54,145.89, 74,691.33 and 31,482.38

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Solution

The fourth proportional to 54,145.89, 74,691.33 and 31,482.38 is: 43,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.89 : 74,691.33 = 31,482.38 : x
  2. Step 2: Convert to fraction form
    54,145.89/74,691.33 = 31,482.38/x
  3. Step 3: Cross multiply
    54,145.89x = 74,691.33 × 31,482.38
  4. Step 4: Simplify right side
    54,145.89x = 2,351,460,460.31
  5. Step 5: Solve for x
    x = 2,351,460,460.31/54,145.89
  6. Step 6: Final answer
    x = 43,428.24

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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.