Home / 45,160.69-67,743.20-21,806.77

Finding the Fourth Proportional to 45,160.69, 67,743.20 and 21,806.77

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Solution

The fourth proportional to 45,160.69, 67,743.20 and 21,806.77 is: 32,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.69 : 67,743.20 = 21,806.77 : x
  2. Step 2: Convert to fraction form
    45,160.69/67,743.20 = 21,806.77/x
  3. Step 3: Cross multiply
    45,160.69x = 67,743.20 × 21,806.77
  4. Step 4: Simplify right side
    45,160.69x = 1,477,260,381.46
  5. Step 5: Solve for x
    x = 1,477,260,381.46/45,160.69
  6. Step 6: Final answer
    x = 32,711.20

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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.