Home / 40,035.52-55,246.61-22,129.46

Finding the Fourth Proportional to 40,035.52, 55,246.61 and 22,129.46

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Solution

The fourth proportional to 40,035.52, 55,246.61 and 22,129.46 is: 30,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.52 : 55,246.61 = 22,129.46 : x
  2. Step 2: Convert to fraction form
    40,035.52/55,246.61 = 22,129.46/x
  3. Step 3: Cross multiply
    40,035.52x = 55,246.61 × 22,129.46
  4. Step 4: Simplify right side
    40,035.52x = 1,222,577,425.22
  5. Step 5: Solve for x
    x = 1,222,577,425.22/40,035.52
  6. Step 6: Final answer
    x = 30,537.32

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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.