Home / 39,940.16-55,117.59-22,035.15

Finding the Fourth Proportional to 39,940.16, 55,117.59 and 22,035.15

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Solution

The fourth proportional to 39,940.16, 55,117.59 and 22,035.15 is: 30,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.16 : 55,117.59 = 22,035.15 : x
  2. Step 2: Convert to fraction form
    39,940.16/55,117.59 = 22,035.15/x
  3. Step 3: Cross multiply
    39,940.16x = 55,117.59 × 22,035.15
  4. Step 4: Simplify right side
    39,940.16x = 1,214,524,363.29
  5. Step 5: Solve for x
    x = 1,214,524,363.29/39,940.16
  6. Step 6: Final answer
    x = 30,408.60

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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.