Home / 65,923.39-90,974.37-35,709.04

Finding the Fourth Proportional to 65,923.39, 90,974.37 and 35,709.04

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Solution

The fourth proportional to 65,923.39, 90,974.37 and 35,709.04 is: 49,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.39 : 90,974.37 = 35,709.04 : x
  2. Step 2: Convert to fraction form
    65,923.39/90,974.37 = 35,709.04/x
  3. Step 3: Cross multiply
    65,923.39x = 90,974.37 × 35,709.04
  4. Step 4: Simplify right side
    65,923.39x = 3,248,607,417.30
  5. Step 5: Solve for x
    x = 3,248,607,417.30/65,923.39
  6. Step 6: Final answer
    x = 49,278.52

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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.