Home / 75,641.18-113,487.26-33,531.71

Finding the Fourth Proportional to 75,641.18, 113,487.26 and 33,531.71

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Solution

The fourth proportional to 75,641.18, 113,487.26 and 33,531.71 is: 50,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.18 : 113,487.26 = 33,531.71 : x
  2. Step 2: Convert to fraction form
    75,641.18/113,487.26 = 33,531.71/x
  3. Step 3: Cross multiply
    75,641.18x = 113,487.26 × 33,531.71
  4. Step 4: Simplify right side
    75,641.18x = 3,805,421,155.92
  5. Step 5: Solve for x
    x = 3,805,421,155.92/75,641.18
  6. Step 6: Final answer
    x = 50,308.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.