Home / 39,115.28-58,699.65-21,597.41

Finding the Fourth Proportional to 39,115.28, 58,699.65 and 21,597.41

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Solution

The fourth proportional to 39,115.28, 58,699.65 and 21,597.41 is: 32,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.28 : 58,699.65 = 21,597.41 : x
  2. Step 2: Convert to fraction form
    39,115.28/58,699.65 = 21,597.41/x
  3. Step 3: Cross multiply
    39,115.28x = 58,699.65 × 21,597.41
  4. Step 4: Simplify right side
    39,115.28x = 1,267,760,407.91
  5. Step 5: Solve for x
    x = 1,267,760,407.91/39,115.28
  6. Step 6: Final answer
    x = 32,410.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.