Home / 54,429.75-75,108.92-30,551.76

Finding the Fourth Proportional to 54,429.75, 75,108.92 and 30,551.76

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Solution

The fourth proportional to 54,429.75, 75,108.92 and 30,551.76 is: 42,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.75 : 75,108.92 = 30,551.76 : x
  2. Step 2: Convert to fraction form
    54,429.75/75,108.92 = 30,551.76/x
  3. Step 3: Cross multiply
    54,429.75x = 75,108.92 × 30,551.76
  4. Step 4: Simplify right side
    54,429.75x = 2,294,709,544.94
  5. Step 5: Solve for x
    x = 2,294,709,544.94/54,429.75
  6. Step 6: Final answer
    x = 42,159.10

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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.