Home / 49,009.61-67,622.81-28,859.13

Finding the Fourth Proportional to 49,009.61, 67,622.81 and 28,859.13

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Solution

The fourth proportional to 49,009.61, 67,622.81 and 28,859.13 is: 39,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.61 : 67,622.81 = 28,859.13 : x
  2. Step 2: Convert to fraction form
    49,009.61/67,622.81 = 28,859.13/x
  3. Step 3: Cross multiply
    49,009.61x = 67,622.81 × 28,859.13
  4. Step 4: Simplify right side
    49,009.61x = 1,951,535,320.46
  5. Step 5: Solve for x
    x = 1,951,535,320.46/49,009.61
  6. Step 6: Final answer
    x = 39,819.45

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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.