Home / 50,416.38-75,618.06-20,830.26

Finding the Fourth Proportional to 50,416.38, 75,618.06 and 20,830.26

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Solution

The fourth proportional to 50,416.38, 75,618.06 and 20,830.26 is: 31,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.38 : 75,618.06 = 20,830.26 : x
  2. Step 2: Convert to fraction form
    50,416.38/75,618.06 = 20,830.26/x
  3. Step 3: Cross multiply
    50,416.38x = 75,618.06 × 20,830.26
  4. Step 4: Simplify right side
    50,416.38x = 1,575,143,850.50
  5. Step 5: Solve for x
    x = 1,575,143,850.50/50,416.38
  6. Step 6: Final answer
    x = 31,242.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.