Home / 43,384.20-65,113.15-30,934.70

Finding the Fourth Proportional to 43,384.20, 65,113.15 and 30,934.70

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Solution

The fourth proportional to 43,384.20, 65,113.15 and 30,934.70 is: 46,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.20 : 65,113.15 = 30,934.70 : x
  2. Step 2: Convert to fraction form
    43,384.20/65,113.15 = 30,934.70/x
  3. Step 3: Cross multiply
    43,384.20x = 65,113.15 × 30,934.70
  4. Step 4: Simplify right side
    43,384.20x = 2,014,255,761.31
  5. Step 5: Solve for x
    x = 2,014,255,761.31/43,384.20
  6. Step 6: Final answer
    x = 46,428.33

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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.