Home / 39,321.68-54,264.60-22,325.48

Finding the Fourth Proportional to 39,321.68, 54,264.60 and 22,325.48

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Solution

The fourth proportional to 39,321.68, 54,264.60 and 22,325.48 is: 30,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.68 : 54,264.60 = 22,325.48 : x
  2. Step 2: Convert to fraction form
    39,321.68/54,264.60 = 22,325.48/x
  3. Step 3: Cross multiply
    39,321.68x = 54,264.60 × 22,325.48
  4. Step 4: Simplify right side
    39,321.68x = 1,211,483,242.01
  5. Step 5: Solve for x
    x = 1,211,483,242.01/39,321.68
  6. Step 6: Final answer
    x = 30,809.55

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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.