Home / 55,961.92-83,940.15-20,898.84

Finding the Fourth Proportional to 55,961.92, 83,940.15 and 20,898.84

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Solution

The fourth proportional to 55,961.92, 83,940.15 and 20,898.84 is: 31,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.92 : 83,940.15 = 20,898.84 : x
  2. Step 2: Convert to fraction form
    55,961.92/83,940.15 = 20,898.84/x
  3. Step 3: Cross multiply
    55,961.92x = 83,940.15 × 20,898.84
  4. Step 4: Simplify right side
    55,961.92x = 1,754,252,040.02
  5. Step 5: Solve for x
    x = 1,754,252,040.02/55,961.92
  6. Step 6: Final answer
    x = 31,347.24

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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.