Home / 36,476.79-50,339.67-20,561.91

Finding the Fourth Proportional to 36,476.79, 50,339.67 and 20,561.91

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Solution

The fourth proportional to 36,476.79, 50,339.67 and 20,561.91 is: 28,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,476.79 : 50,339.67 = 20,561.91 : x
  2. Step 2: Convert to fraction form
    36,476.79/50,339.67 = 20,561.91/x
  3. Step 3: Cross multiply
    36,476.79x = 50,339.67 × 20,561.91
  4. Step 4: Simplify right side
    36,476.79x = 1,035,079,763.97
  5. Step 5: Solve for x
    x = 1,035,079,763.97/36,476.79
  6. Step 6: Final answer
    x = 28,376.39

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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.