Home / 29,023.52-39,990.72-19,575.68

Finding the Fourth Proportional to 29,023.52, 39,990.72 and 19,575.68

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Solution

The fourth proportional to 29,023.52, 39,990.72 and 19,575.68 is: 26,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.52 : 39,990.72 = 19,575.68 : x
  2. Step 2: Convert to fraction form
    29,023.52/39,990.72 = 19,575.68/x
  3. Step 3: Cross multiply
    29,023.52x = 39,990.72 × 19,575.68
  4. Step 4: Simplify right side
    29,023.52x = 782,845,537.69
  5. Step 5: Solve for x
    x = 782,845,537.69/29,023.52
  6. Step 6: Final answer
    x = 26,972.80

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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.