Home / 40,035.77-55,246.96-22,129.71

Finding the Fourth Proportional to 40,035.77, 55,246.96 and 22,129.71

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Solution

The fourth proportional to 40,035.77, 55,246.96 and 22,129.71 is: 30,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.77 : 55,246.96 = 22,129.71 : x
  2. Step 2: Convert to fraction form
    40,035.77/55,246.96 = 22,129.71/x
  3. Step 3: Cross multiply
    40,035.77x = 55,246.96 × 22,129.71
  4. Step 4: Simplify right side
    40,035.77x = 1,222,599,203.18
  5. Step 5: Solve for x
    x = 1,222,599,203.18/40,035.77
  6. Step 6: Final answer
    x = 30,537.67

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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.