Home / 54,005.56-81,004.74-25,945.72

Finding the Fourth Proportional to 54,005.56, 81,004.74 and 25,945.72

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Solution

The fourth proportional to 54,005.56, 81,004.74 and 25,945.72 is: 38,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.56 : 81,004.74 = 25,945.72 : x
  2. Step 2: Convert to fraction form
    54,005.56/81,004.74 = 25,945.72/x
  3. Step 3: Cross multiply
    54,005.56x = 81,004.74 × 25,945.72
  4. Step 4: Simplify right side
    54,005.56x = 2,101,726,302.71
  5. Step 5: Solve for x
    x = 2,101,726,302.71/54,005.56
  6. Step 6: Final answer
    x = 38,916.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.