Home / 36,328.65-50,138.01-20,412.75

Finding the Fourth Proportional to 36,328.65, 50,138.01 and 20,412.75

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Solution

The fourth proportional to 36,328.65, 50,138.01 and 20,412.75 is: 28,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328.65 : 50,138.01 = 20,412.75 : x
  2. Step 2: Convert to fraction form
    36,328.65/50,138.01 = 20,412.75/x
  3. Step 3: Cross multiply
    36,328.65x = 50,138.01 × 20,412.75
  4. Step 4: Simplify right side
    36,328.65x = 1,023,454,663.63
  5. Step 5: Solve for x
    x = 1,023,454,663.63/36,328.65
  6. Step 6: Final answer
    x = 28,172.11

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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.