Home / 75,439.60-113,224.20-33,384.40

Finding the Fourth Proportional to 75,439.60, 113,224.20 and 33,384.40

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Solution

The fourth proportional to 75,439.60, 113,224.20 and 33,384.40 is: 50,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.60 : 113,224.20 = 33,384.40 : x
  2. Step 2: Convert to fraction form
    75,439.60/113,224.20 = 33,384.40/x
  3. Step 3: Cross multiply
    75,439.60x = 113,224.20 × 33,384.40
  4. Step 4: Simplify right side
    75,439.60x = 3,779,921,982.48
  5. Step 5: Solve for x
    x = 3,779,921,982.48/75,439.60
  6. Step 6: Final answer
    x = 50,105.28

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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.