Home / 36,731.12-50,689.28-19,964.16

Finding the Fourth Proportional to 36,731.12, 50,689.28 and 19,964.16

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Solution

The fourth proportional to 36,731.12, 50,689.28 and 19,964.16 is: 27,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,731.12 : 50,689.28 = 19,964.16 : x
  2. Step 2: Convert to fraction form
    36,731.12/50,689.28 = 19,964.16/x
  3. Step 3: Cross multiply
    36,731.12x = 50,689.28 × 19,964.16
  4. Step 4: Simplify right side
    36,731.12x = 1,011,968,896.20
  5. Step 5: Solve for x
    x = 1,011,968,896.20/36,731.12
  6. Step 6: Final answer
    x = 27,550.72

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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.