Home / 36,438.85-50,276.81-20,523.29

Finding the Fourth Proportional to 36,438.85, 50,276.81 and 20,523.29

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Solution

The fourth proportional to 36,438.85, 50,276.81 and 20,523.29 is: 28,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.85 : 50,276.81 = 20,523.29 : x
  2. Step 2: Convert to fraction form
    36,438.85/50,276.81 = 20,523.29/x
  3. Step 3: Cross multiply
    36,438.85x = 50,276.81 × 20,523.29
  4. Step 4: Simplify right side
    36,438.85x = 1,031,845,551.90
  5. Step 5: Solve for x
    x = 1,031,845,551.90/36,438.85
  6. Step 6: Final answer
    x = 28,317.18

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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.