Home / 30,294.00-41,799.61-18,350.40

Finding the Fourth Proportional to 30,294.00, 41,799.61 and 18,350.40

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Solution

The fourth proportional to 30,294.00, 41,799.61 and 18,350.40 is: 25,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294.00 : 41,799.61 = 18,350.40 : x
  2. Step 2: Convert to fraction form
    30,294.00/41,799.61 = 18,350.40/x
  3. Step 3: Cross multiply
    30,294.00x = 41,799.61 × 18,350.40
  4. Step 4: Simplify right side
    30,294.00x = 767,039,262.59
  5. Step 5: Solve for x
    x = 767,039,262.59/30,294.00
  6. Step 6: Final answer
    x = 25,319.85

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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.