Home / 36,515.90-50,391.96-20,603.72

Finding the Fourth Proportional to 36,515.90, 50,391.96 and 20,603.72

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Solution

The fourth proportional to 36,515.90, 50,391.96 and 20,603.72 is: 28,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.90 : 50,391.96 = 20,603.72 : x
  2. Step 2: Convert to fraction form
    36,515.90/50,391.96 = 20,603.72/x
  3. Step 3: Cross multiply
    36,515.90x = 50,391.96 × 20,603.72
  4. Step 4: Simplify right side
    36,515.90x = 1,038,261,882.81
  5. Step 5: Solve for x
    x = 1,038,261,882.81/36,515.90
  6. Step 6: Final answer
    x = 28,433.14

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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.