Home / 36,555.54-50,440.95-20,639.65

Finding the Fourth Proportional to 36,555.54, 50,440.95 and 20,639.65

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Solution

The fourth proportional to 36,555.54, 50,440.95 and 20,639.65 is: 28,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.54 : 50,440.95 = 20,639.65 : x
  2. Step 2: Convert to fraction form
    36,555.54/50,440.95 = 20,639.65/x
  3. Step 3: Cross multiply
    36,555.54x = 50,440.95 × 20,639.65
  4. Step 4: Simplify right side
    36,555.54x = 1,041,083,553.67
  5. Step 5: Solve for x
    x = 1,041,083,553.67/36,555.54
  6. Step 6: Final answer
    x = 28,479.50

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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.