Home / 30,732.40-42,407.58-17,301.52

Finding the Fourth Proportional to 30,732.40, 42,407.58 and 17,301.52

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Solution

The fourth proportional to 30,732.40, 42,407.58 and 17,301.52 is: 23,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.40 : 42,407.58 = 17,301.52 : x
  2. Step 2: Convert to fraction form
    30,732.40/42,407.58 = 17,301.52/x
  3. Step 3: Cross multiply
    30,732.40x = 42,407.58 × 17,301.52
  4. Step 4: Simplify right side
    30,732.40x = 733,715,593.52
  5. Step 5: Solve for x
    x = 733,715,593.52/30,732.40
  6. Step 6: Final answer
    x = 23,874.33

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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.