Home / 49,985.39-75,015-23,690.21

Finding the Fourth Proportional to 49,985.39, 75,015 and 23,690.21

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Solution

The fourth proportional to 49,985.39, 75,015 and 23,690.21 is: 35,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.39 : 75,015 = 23,690.21 : x
  2. Step 2: Convert to fraction form
    49,985.39/75,015 = 23,690.21/x
  3. Step 3: Cross multiply
    49,985.39x = 75,015 × 23,690.21
  4. Step 4: Simplify right side
    49,985.39x = 1,777,121,103.15
  5. Step 5: Solve for x
    x = 1,777,121,103.15/49,985.39
  6. Step 6: Final answer
    x = 35,552.81

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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.