Home / 30,882.06-42,601.55-19,532.41

Finding the Fourth Proportional to 30,882.06, 42,601.55 and 19,532.41

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Solution

The fourth proportional to 30,882.06, 42,601.55 and 19,532.41 is: 26,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.06 : 42,601.55 = 19,532.41 : x
  2. Step 2: Convert to fraction form
    30,882.06/42,601.55 = 19,532.41/x
  3. Step 3: Cross multiply
    30,882.06x = 42,601.55 × 19,532.41
  4. Step 4: Simplify right side
    30,882.06x = 832,110,737.07
  5. Step 5: Solve for x
    x = 832,110,737.07/30,882.06
  6. Step 6: Final answer
    x = 26,944.79

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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.