Home / 35,645.45-49,185.57-19,729.86

Finding the Fourth Proportional to 35,645.45, 49,185.57 and 19,729.86

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Solution

The fourth proportional to 35,645.45, 49,185.57 and 19,729.86 is: 27,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.45 : 49,185.57 = 19,729.86 : x
  2. Step 2: Convert to fraction form
    35,645.45/49,185.57 = 19,729.86/x
  3. Step 3: Cross multiply
    35,645.45x = 49,185.57 × 19,729.86
  4. Step 4: Simplify right side
    35,645.45x = 970,424,280.90
  5. Step 5: Solve for x
    x = 970,424,280.90/35,645.45
  6. Step 6: Final answer
    x = 27,224.35

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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.