Home / 30,166.68-41,631.66-19,565.40

Finding the Fourth Proportional to 30,166.68, 41,631.66 and 19,565.40

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Solution

The fourth proportional to 30,166.68, 41,631.66 and 19,565.40 is: 27,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.68 : 41,631.66 = 19,565.40 : x
  2. Step 2: Convert to fraction form
    30,166.68/41,631.66 = 19,565.40/x
  3. Step 3: Cross multiply
    30,166.68x = 41,631.66 × 19,565.40
  4. Step 4: Simplify right side
    30,166.68x = 814,540,080.56
  5. Step 5: Solve for x
    x = 814,540,080.56/30,166.68
  6. Step 6: Final answer
    x = 27,001.32

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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.