Home / 54,772.19-75,586.35-30,898.79

Finding the Fourth Proportional to 54,772.19, 75,586.35 and 30,898.79

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Solution

The fourth proportional to 54,772.19, 75,586.35 and 30,898.79 is: 42,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.19 : 75,586.35 = 30,898.79 : x
  2. Step 2: Convert to fraction form
    54,772.19/75,586.35 = 30,898.79/x
  3. Step 3: Cross multiply
    54,772.19x = 75,586.35 × 30,898.79
  4. Step 4: Simplify right side
    54,772.19x = 2,335,526,223.09
  5. Step 5: Solve for x
    x = 2,335,526,223.09/54,772.19
  6. Step 6: Final answer
    x = 42,640.73

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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.