Home / 35,673.76-49,229.32-19,759.12

Finding the Fourth Proportional to 35,673.76, 49,229.32 and 19,759.12

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Solution

The fourth proportional to 35,673.76, 49,229.32 and 19,759.12 is: 27,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.76 : 49,229.32 = 19,759.12 : x
  2. Step 2: Convert to fraction form
    35,673.76/49,229.32 = 19,759.12/x
  3. Step 3: Cross multiply
    35,673.76x = 49,229.32 × 19,759.12
  4. Step 4: Simplify right side
    35,673.76x = 972,728,041.40
  5. Step 5: Solve for x
    x = 972,728,041.40/35,673.76
  6. Step 6: Final answer
    x = 27,267.33

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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.