Home / 39,934.78-55,110.39-22,030.42

Finding the Fourth Proportional to 39,934.78, 55,110.39 and 22,030.42

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Solution

The fourth proportional to 39,934.78, 55,110.39 and 22,030.42 is: 30,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.78 : 55,110.39 = 22,030.42 : x
  2. Step 2: Convert to fraction form
    39,934.78/55,110.39 = 22,030.42/x
  3. Step 3: Cross multiply
    39,934.78x = 55,110.39 × 22,030.42
  4. Step 4: Simplify right side
    39,934.78x = 1,214,105,038.06
  5. Step 5: Solve for x
    x = 1,214,105,038.06/39,934.78
  6. Step 6: Final answer
    x = 30,402.20

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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.