Home / 55,219.24-82,803.48-17,772.40

Finding the Fourth Proportional to 55,219.24, 82,803.48 and 17,772.40

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Solution

The fourth proportional to 55,219.24, 82,803.48 and 17,772.40 is: 26,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.24 : 82,803.48 = 17,772.40 : x
  2. Step 2: Convert to fraction form
    55,219.24/82,803.48 = 17,772.40/x
  3. Step 3: Cross multiply
    55,219.24x = 82,803.48 × 17,772.40
  4. Step 4: Simplify right side
    55,219.24x = 1,471,616,567.95
  5. Step 5: Solve for x
    x = 1,471,616,567.95/55,219.24
  6. Step 6: Final answer
    x = 26,650.43

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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.