Home / 30,140.72-41,594.28-16,712.92

Finding the Fourth Proportional to 30,140.72, 41,594.28 and 16,712.92

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Solution

The fourth proportional to 30,140.72, 41,594.28 and 16,712.92 is: 23,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.72 : 41,594.28 = 16,712.92 : x
  2. Step 2: Convert to fraction form
    30,140.72/41,594.28 = 16,712.92/x
  3. Step 3: Cross multiply
    30,140.72x = 41,594.28 × 16,712.92
  4. Step 4: Simplify right side
    30,140.72x = 695,161,874.10
  5. Step 5: Solve for x
    x = 695,161,874.10/30,140.72
  6. Step 6: Final answer
    x = 23,063.88

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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.