Home / 54,491.20-75,200.07-30,617.80

Finding the Fourth Proportional to 54,491.20, 75,200.07 and 30,617.80

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Solution

The fourth proportional to 54,491.20, 75,200.07 and 30,617.80 is: 42,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,491.20 : 75,200.07 = 30,617.80 : x
  2. Step 2: Convert to fraction form
    54,491.20/75,200.07 = 30,617.80/x
  3. Step 3: Cross multiply
    54,491.20x = 75,200.07 × 30,617.80
  4. Step 4: Simplify right side
    54,491.20x = 2,302,460,703.25
  5. Step 5: Solve for x
    x = 2,302,460,703.25/54,491.20
  6. Step 6: Final answer
    x = 42,253.81

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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.