Home / 55,949.54-77,210.28-30,799.04

Finding the Fourth Proportional to 55,949.54, 77,210.28 and 30,799.04

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Solution

The fourth proportional to 55,949.54, 77,210.28 and 30,799.04 is: 42,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.54 : 77,210.28 = 30,799.04 : x
  2. Step 2: Convert to fraction form
    55,949.54/77,210.28 = 30,799.04/x
  3. Step 3: Cross multiply
    55,949.54x = 77,210.28 × 30,799.04
  4. Step 4: Simplify right side
    55,949.54x = 2,378,002,116.08
  5. Step 5: Solve for x
    x = 2,378,002,116.08/55,949.54
  6. Step 6: Final answer
    x = 42,502.63

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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.