Home / 36,691.65-50,643.54-20,785.50

Finding the Fourth Proportional to 36,691.65, 50,643.54 and 20,785.50

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Solution

The fourth proportional to 36,691.65, 50,643.54 and 20,785.50 is: 28,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.65 : 50,643.54 = 20,785.50 : x
  2. Step 2: Convert to fraction form
    36,691.65/50,643.54 = 20,785.50/x
  3. Step 3: Cross multiply
    36,691.65x = 50,643.54 × 20,785.50
  4. Step 4: Simplify right side
    36,691.65x = 1,052,651,300.67
  5. Step 5: Solve for x
    x = 1,052,651,300.67/36,691.65
  6. Step 6: Final answer
    x = 28,689.12

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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.