Home / 55,556.20-83,334.30-22,281.40

Finding the Fourth Proportional to 55,556.20, 83,334.30 and 22,281.40

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Solution

The fourth proportional to 55,556.20, 83,334.30 and 22,281.40 is: 33,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,556.20 : 83,334.30 = 22,281.40 : x
  2. Step 2: Convert to fraction form
    55,556.20/83,334.30 = 22,281.40/x
  3. Step 3: Cross multiply
    55,556.20x = 83,334.30 × 22,281.40
  4. Step 4: Simplify right side
    55,556.20x = 1,856,804,872.02
  5. Step 5: Solve for x
    x = 1,856,804,872.02/55,556.20
  6. Step 6: Final answer
    x = 33,422.10

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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.