Home / 54,542.20-75,263.70-30,671.50

Finding the Fourth Proportional to 54,542.20, 75,263.70 and 30,671.50

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Solution

The fourth proportional to 54,542.20, 75,263.70 and 30,671.50 is: 42,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.20 : 75,263.70 = 30,671.50 : x
  2. Step 2: Convert to fraction form
    54,542.20/75,263.70 = 30,671.50/x
  3. Step 3: Cross multiply
    54,542.20x = 75,263.70 × 30,671.50
  4. Step 4: Simplify right side
    54,542.20x = 2,308,450,574.55
  5. Step 5: Solve for x
    x = 2,308,450,574.55/54,542.20
  6. Step 6: Final answer
    x = 42,324.12

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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.