Home / 36,355.23-50,172.51-20,440.70

Finding the Fourth Proportional to 36,355.23, 50,172.51 and 20,440.70

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Solution

The fourth proportional to 36,355.23, 50,172.51 and 20,440.70 is: 28,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.23 : 50,172.51 = 20,440.70 : x
  2. Step 2: Convert to fraction form
    36,355.23/50,172.51 = 20,440.70/x
  3. Step 3: Cross multiply
    36,355.23x = 50,172.51 × 20,440.70
  4. Step 4: Simplify right side
    36,355.23x = 1,025,561,521.31
  5. Step 5: Solve for x
    x = 1,025,561,521.31/36,355.23
  6. Step 6: Final answer
    x = 28,209.46

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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.