Home / 42,843.12-59,122.56-23,721.78

Finding the Fourth Proportional to 42,843.12, 59,122.56 and 23,721.78

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Solution

The fourth proportional to 42,843.12, 59,122.56 and 23,721.78 is: 32,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,843.12 : 59,122.56 = 23,721.78 : x
  2. Step 2: Convert to fraction form
    42,843.12/59,122.56 = 23,721.78/x
  3. Step 3: Cross multiply
    42,843.12x = 59,122.56 × 23,721.78
  4. Step 4: Simplify right side
    42,843.12x = 1,402,492,361.36
  5. Step 5: Solve for x
    x = 1,402,492,361.36/42,843.12
  6. Step 6: Final answer
    x = 32,735.53

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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.