Home / 39,940.18-55,117.63-22,035.18

Finding the Fourth Proportional to 39,940.18, 55,117.63 and 22,035.18

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Solution

The fourth proportional to 39,940.18, 55,117.63 and 22,035.18 is: 30,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.18 : 55,117.63 = 22,035.18 : x
  2. Step 2: Convert to fraction form
    39,940.18/55,117.63 = 22,035.18/x
  3. Step 3: Cross multiply
    39,940.18x = 55,117.63 × 22,035.18
  4. Step 4: Simplify right side
    39,940.18x = 1,214,526,898.22
  5. Step 5: Solve for x
    x = 1,214,526,898.22/39,940.18
  6. Step 6: Final answer
    x = 30,408.65

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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.