Home / 39,944.95-55,357.07-39,381.19

Finding the Fourth Proportional to 39,944.95, 55,357.07 and 39,381.19

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Solution

The fourth proportional to 39,944.95, 55,357.07 and 39,381.19 is: 54,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.95 : 55,357.07 = 39,381.19 : x
  2. Step 2: Convert to fraction form
    39,944.95/55,357.07 = 39,381.19/x
  3. Step 3: Cross multiply
    39,944.95x = 55,357.07 × 39,381.19
  4. Step 4: Simplify right side
    39,944.95x = 2,180,026,956.21
  5. Step 5: Solve for x
    x = 2,180,026,956.21/39,944.95
  6. Step 6: Final answer
    x = 54,575.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.