Home / 40,302.03-55,611.75-22,395.78

Finding the Fourth Proportional to 40,302.03, 55,611.75 and 22,395.78

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Solution

The fourth proportional to 40,302.03, 55,611.75 and 22,395.78 is: 30,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.03 : 55,611.75 = 22,395.78 : x
  2. Step 2: Convert to fraction form
    40,302.03/55,611.75 = 22,395.78/x
  3. Step 3: Cross multiply
    40,302.03x = 55,611.75 × 22,395.78
  4. Step 4: Simplify right side
    40,302.03x = 1,245,468,518.42
  5. Step 5: Solve for x
    x = 1,245,468,518.42/40,302.03
  6. Step 6: Final answer
    x = 30,903.37

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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.