Home / 40,378.94-55,750.37-25,277.70

Finding the Fourth Proportional to 40,378.94, 55,750.37 and 25,277.70

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Solution

The fourth proportional to 40,378.94, 55,750.37 and 25,277.70 is: 34,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.94 : 55,750.37 = 25,277.70 : x
  2. Step 2: Convert to fraction form
    40,378.94/55,750.37 = 25,277.70/x
  3. Step 3: Cross multiply
    40,378.94x = 55,750.37 × 25,277.70
  4. Step 4: Simplify right side
    40,378.94x = 1,409,241,001.36
  5. Step 5: Solve for x
    x = 1,409,241,001.36/40,378.94
  6. Step 6: Final answer
    x = 34,900.40

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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.