Home / 39,940.10-55,117.34-22,035.15

Finding the Fourth Proportional to 39,940.10, 55,117.34 and 22,035.15

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Solution

The fourth proportional to 39,940.10, 55,117.34 and 22,035.15 is: 30,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.10 : 55,117.34 = 22,035.15 : x
  2. Step 2: Convert to fraction form
    39,940.10/55,117.34 = 22,035.15/x
  3. Step 3: Cross multiply
    39,940.10x = 55,117.34 × 22,035.15
  4. Step 4: Simplify right side
    39,940.10x = 1,214,518,854.50
  5. Step 5: Solve for x
    x = 1,214,518,854.50/39,940.10
  6. Step 6: Final answer
    x = 30,408.51

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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.