Home / 42,882.16-59,157.60-27,779.88

Finding the Fourth Proportional to 42,882.16, 59,157.60 and 27,779.88

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Solution

The fourth proportional to 42,882.16, 59,157.60 and 27,779.88 is: 38,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,882.16 : 59,157.60 = 27,779.88 : x
  2. Step 2: Convert to fraction form
    42,882.16/59,157.60 = 27,779.88/x
  3. Step 3: Cross multiply
    42,882.16x = 59,157.60 × 27,779.88
  4. Step 4: Simplify right side
    42,882.16x = 1,643,391,029.09
  5. Step 5: Solve for x
    x = 1,643,391,029.09/42,882.16
  6. Step 6: Final answer
    x = 38,323.42

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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.