Home / 30,347.92-41,856.39-19,740.94

Finding the Fourth Proportional to 30,347.92, 41,856.39 and 19,740.94

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Solution

The fourth proportional to 30,347.92, 41,856.39 and 19,740.94 is: 27,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.92 : 41,856.39 = 19,740.94 : x
  2. Step 2: Convert to fraction form
    30,347.92/41,856.39 = 19,740.94/x
  3. Step 3: Cross multiply
    30,347.92x = 41,856.39 × 19,740.94
  4. Step 4: Simplify right side
    30,347.92x = 826,284,483.61
  5. Step 5: Solve for x
    x = 826,284,483.61/30,347.92
  6. Step 6: Final answer
    x = 27,227.05

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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.