Home / 54,377.48-75,044.37-30,505.70

Finding the Fourth Proportional to 54,377.48, 75,044.37 and 30,505.70

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Solution

The fourth proportional to 54,377.48, 75,044.37 and 30,505.70 is: 42,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377.48 : 75,044.37 = 30,505.70 : x
  2. Step 2: Convert to fraction form
    54,377.48/75,044.37 = 30,505.70/x
  3. Step 3: Cross multiply
    54,377.48x = 75,044.37 × 30,505.70
  4. Step 4: Simplify right side
    54,377.48x = 2,289,281,037.91
  5. Step 5: Solve for x
    x = 2,289,281,037.91/54,377.48
  6. Step 6: Final answer
    x = 42,099.80

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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.