Home / 36,531.09-50,412.92-20,618.91

Finding the Fourth Proportional to 36,531.09, 50,412.92 and 20,618.91

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Solution

The fourth proportional to 36,531.09, 50,412.92 and 20,618.91 is: 28,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.09 : 50,412.92 = 20,618.91 : x
  2. Step 2: Convert to fraction form
    36,531.09/50,412.92 = 20,618.91/x
  3. Step 3: Cross multiply
    36,531.09x = 50,412.92 × 20,618.91
  4. Step 4: Simplify right side
    36,531.09x = 1,039,459,357.22
  5. Step 5: Solve for x
    x = 1,039,459,357.22/36,531.09
  6. Step 6: Final answer
    x = 28,454.10

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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.