Home / 33,728.79-50,588.43-21,210.65

Finding the Fourth Proportional to 33,728.79, 50,588.43 and 21,210.65

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Solution

The fourth proportional to 33,728.79, 50,588.43 and 21,210.65 is: 31,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.79 : 50,588.43 = 21,210.65 : x
  2. Step 2: Convert to fraction form
    33,728.79/50,588.43 = 21,210.65/x
  3. Step 3: Cross multiply
    33,728.79x = 50,588.43 × 21,210.65
  4. Step 4: Simplify right side
    33,728.79x = 1,073,013,482.78
  5. Step 5: Solve for x
    x = 1,073,013,482.78/33,728.79
  6. Step 6: Final answer
    x = 31,812.98

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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.