Home / 43,221.40-64,806.18-16,894.78

Finding the Fourth Proportional to 43,221.40, 64,806.18 and 16,894.78

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Solution

The fourth proportional to 43,221.40, 64,806.18 and 16,894.78 is: 25,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.40 : 64,806.18 = 16,894.78 : x
  2. Step 2: Convert to fraction form
    43,221.40/64,806.18 = 16,894.78/x
  3. Step 3: Cross multiply
    43,221.40x = 64,806.18 × 16,894.78
  4. Step 4: Simplify right side
    43,221.40x = 1,094,886,153.74
  5. Step 5: Solve for x
    x = 1,094,886,153.74/43,221.40
  6. Step 6: Final answer
    x = 25,332.04

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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.