Home / 52,448.12-72,372.88-31,224.48

Finding the Fourth Proportional to 52,448.12, 72,372.88 and 31,224.48

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Solution

The fourth proportional to 52,448.12, 72,372.88 and 31,224.48 is: 43,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.12 : 72,372.88 = 31,224.48 : x
  2. Step 2: Convert to fraction form
    52,448.12/72,372.88 = 31,224.48/x
  3. Step 3: Cross multiply
    52,448.12x = 72,372.88 × 31,224.48
  4. Step 4: Simplify right side
    52,448.12x = 2,259,805,544.10
  5. Step 5: Solve for x
    x = 2,259,805,544.10/52,448.12
  6. Step 6: Final answer
    x = 43,086.49

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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.