Home / 42,673.12-58,868.10-27,578.80

Finding the Fourth Proportional to 42,673.12, 58,868.10 and 27,578.80

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Solution

The fourth proportional to 42,673.12, 58,868.10 and 27,578.80 is: 38,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673.12 : 58,868.10 = 27,578.80 : x
  2. Step 2: Convert to fraction form
    42,673.12/58,868.10 = 27,578.80/x
  3. Step 3: Cross multiply
    42,673.12x = 58,868.10 × 27,578.80
  4. Step 4: Simplify right side
    42,673.12x = 1,623,511,556.28
  5. Step 5: Solve for x
    x = 1,623,511,556.28/42,673.12
  6. Step 6: Final answer
    x = 38,045.30

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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.