Home / 40,220.11-55,501.09-22,314.52

Finding the Fourth Proportional to 40,220.11, 55,501.09 and 22,314.52

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Solution

The fourth proportional to 40,220.11, 55,501.09 and 22,314.52 is: 30,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.11 : 55,501.09 = 22,314.52 : x
  2. Step 2: Convert to fraction form
    40,220.11/55,501.09 = 22,314.52/x
  3. Step 3: Cross multiply
    40,220.11x = 55,501.09 × 22,314.52
  4. Step 4: Simplify right side
    40,220.11x = 1,238,480,182.83
  5. Step 5: Solve for x
    x = 1,238,480,182.83/40,220.11
  6. Step 6: Final answer
    x = 30,792.56

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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.