Home / 54,330.06-74,975.76-31,684.76

Finding the Fourth Proportional to 54,330.06, 74,975.76 and 31,684.76

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Solution

The fourth proportional to 54,330.06, 74,975.76 and 31,684.76 is: 43,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.06 : 74,975.76 = 31,684.76 : x
  2. Step 2: Convert to fraction form
    54,330.06/74,975.76 = 31,684.76/x
  3. Step 3: Cross multiply
    54,330.06x = 74,975.76 × 31,684.76
  4. Step 4: Simplify right side
    54,330.06x = 2,375,588,961.42
  5. Step 5: Solve for x
    x = 2,375,588,961.42/54,330.06
  6. Step 6: Final answer
    x = 43,725.13

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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.