Home / 30,665.18-42,317.44-17,052.68

Finding the Fourth Proportional to 30,665.18, 42,317.44 and 17,052.68

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Solution

The fourth proportional to 30,665.18, 42,317.44 and 17,052.68 is: 23,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,665.18 : 42,317.44 = 17,052.68 : x
  2. Step 2: Convert to fraction form
    30,665.18/42,317.44 = 17,052.68/x
  3. Step 3: Cross multiply
    30,665.18x = 42,317.44 × 17,052.68
  4. Step 4: Simplify right side
    30,665.18x = 721,625,508.52
  5. Step 5: Solve for x
    x = 721,625,508.52/30,665.18
  6. Step 6: Final answer
    x = 23,532.41

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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.