Home / 19,555.55-29,333.29-5,515.55

Finding the Fourth Proportional to 19,555.55, 29,333.29 and 5,515.55

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Solution

The fourth proportional to 19,555.55, 29,333.29 and 5,515.55 is: 8,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.55 : 29,333.29 = 5,515.55 : x
  2. Step 2: Convert to fraction form
    19,555.55/29,333.29 = 5,515.55/x
  3. Step 3: Cross multiply
    19,555.55x = 29,333.29 × 5,515.55
  4. Step 4: Simplify right side
    19,555.55x = 161,789,227.66
  5. Step 5: Solve for x
    x = 161,789,227.66/19,555.55
  6. Step 6: Final answer
    x = 8,273.32

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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.