Home / 36,636.50-50,565.94-20,721.62

Finding the Fourth Proportional to 36,636.50, 50,565.94 and 20,721.62

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Solution

The fourth proportional to 36,636.50, 50,565.94 and 20,721.62 is: 28,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.50 : 50,565.94 = 20,721.62 : x
  2. Step 2: Convert to fraction form
    36,636.50/50,565.94 = 20,721.62/x
  3. Step 3: Cross multiply
    36,636.50x = 50,565.94 × 20,721.62
  4. Step 4: Simplify right side
    36,636.50x = 1,047,808,193.62
  5. Step 5: Solve for x
    x = 1,047,808,193.62/36,636.50
  6. Step 6: Final answer
    x = 28,600.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.