Home / 39,907.79-55,073.15-22,002.34

Finding the Fourth Proportional to 39,907.79, 55,073.15 and 22,002.34

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Solution

The fourth proportional to 39,907.79, 55,073.15 and 22,002.34 is: 30,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.79 : 55,073.15 = 22,002.34 : x
  2. Step 2: Convert to fraction form
    39,907.79/55,073.15 = 22,002.34/x
  3. Step 3: Cross multiply
    39,907.79x = 55,073.15 × 22,002.34
  4. Step 4: Simplify right side
    39,907.79x = 1,211,737,785.79
  5. Step 5: Solve for x
    x = 1,211,737,785.79/39,907.79
  6. Step 6: Final answer
    x = 30,363.44

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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.