Home / 39,948.64-55,132.45-22,047.53

Finding the Fourth Proportional to 39,948.64, 55,132.45 and 22,047.53

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Solution

The fourth proportional to 39,948.64, 55,132.45 and 22,047.53 is: 30,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.64 : 55,132.45 = 22,047.53 : x
  2. Step 2: Convert to fraction form
    39,948.64/55,132.45 = 22,047.53/x
  3. Step 3: Cross multiply
    39,948.64x = 55,132.45 × 22,047.53
  4. Step 4: Simplify right side
    39,948.64x = 1,215,534,014.57
  5. Step 5: Solve for x
    x = 1,215,534,014.57/39,948.64
  6. Step 6: Final answer
    x = 30,427.42

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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.