Home / 40,240-55,510.56-25,902.40

Finding the Fourth Proportional to 40,240, 55,510.56 and 25,902.40

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Solution

The fourth proportional to 40,240, 55,510.56 and 25,902.40 is: 35,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240 : 55,510.56 = 25,902.40 : x
  2. Step 2: Convert to fraction form
    40,240/55,510.56 = 25,902.40/x
  3. Step 3: Cross multiply
    40,240x = 55,510.56 × 25,902.40
  4. Step 4: Simplify right side
    40,240x = 1,437,856,729.34
  5. Step 5: Solve for x
    x = 1,437,856,729.34/40,240
  6. Step 6: Final answer
    x = 35,732.03

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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.