Home / 42,149.23-58,166.34-23,028.47

Finding the Fourth Proportional to 42,149.23, 58,166.34 and 23,028.47

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Solution

The fourth proportional to 42,149.23, 58,166.34 and 23,028.47 is: 31,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.23 : 58,166.34 = 23,028.47 : x
  2. Step 2: Convert to fraction form
    42,149.23/58,166.34 = 23,028.47/x
  3. Step 3: Cross multiply
    42,149.23x = 58,166.34 × 23,028.47
  4. Step 4: Simplify right side
    42,149.23x = 1,339,481,656.64
  5. Step 5: Solve for x
    x = 1,339,481,656.64/42,149.23
  6. Step 6: Final answer
    x = 31,779.51

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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.