Home / 40,035.03-55,247.36-22,129.57

Finding the Fourth Proportional to 40,035.03, 55,247.36 and 22,129.57

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Solution

The fourth proportional to 40,035.03, 55,247.36 and 22,129.57 is: 30,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.03 : 55,247.36 = 22,129.57 : x
  2. Step 2: Convert to fraction form
    40,035.03/55,247.36 = 22,129.57/x
  3. Step 3: Cross multiply
    40,035.03x = 55,247.36 × 22,129.57
  4. Step 4: Simplify right side
    40,035.03x = 1,222,600,320.44
  5. Step 5: Solve for x
    x = 1,222,600,320.44/40,035.03
  6. Step 6: Final answer
    x = 30,538.26

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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.