Home / 55,811.84-83,717.52-20,273.04

Finding the Fourth Proportional to 55,811.84, 83,717.52 and 20,273.04

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Solution

The fourth proportional to 55,811.84, 83,717.52 and 20,273.04 is: 30,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,811.84 : 83,717.52 = 20,273.04 : x
  2. Step 2: Convert to fraction form
    55,811.84/83,717.52 = 20,273.04/x
  3. Step 3: Cross multiply
    55,811.84x = 83,717.52 × 20,273.04
  4. Step 4: Simplify right side
    55,811.84x = 1,697,208,631.66
  5. Step 5: Solve for x
    x = 1,697,208,631.66/55,811.84
  6. Step 6: Final answer
    x = 30,409.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.