Home / 40,078.95-55,299.01-25,914.75

Finding the Fourth Proportional to 40,078.95, 55,299.01 and 25,914.75

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Solution

The fourth proportional to 40,078.95, 55,299.01 and 25,914.75 is: 35,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.95 : 55,299.01 = 25,914.75 : x
  2. Step 2: Convert to fraction form
    40,078.95/55,299.01 = 25,914.75/x
  3. Step 3: Cross multiply
    40,078.95x = 55,299.01 × 25,914.75
  4. Step 4: Simplify right side
    40,078.95x = 1,433,060,019.40
  5. Step 5: Solve for x
    x = 1,433,060,019.40/40,078.95
  6. Step 6: Final answer
    x = 35,755.93

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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.