Home / 54,918.39-75,790.65-31,047.29

Finding the Fourth Proportional to 54,918.39, 75,790.65 and 31,047.29

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Solution

The fourth proportional to 54,918.39, 75,790.65 and 31,047.29 is: 42,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.39 : 75,790.65 = 31,047.29 : x
  2. Step 2: Convert to fraction form
    54,918.39/75,790.65 = 31,047.29/x
  3. Step 3: Cross multiply
    54,918.39x = 75,790.65 × 31,047.29
  4. Step 4: Simplify right side
    54,918.39x = 2,353,094,289.84
  5. Step 5: Solve for x
    x = 2,353,094,289.84/54,918.39
  6. Step 6: Final answer
    x = 42,847.11

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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.