Home / 19,995.10-29,973.45-15,550.30

Finding the Fourth Proportional to 19,995.10, 29,973.45 and 15,550.30

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Solution

The fourth proportional to 19,995.10, 29,973.45 and 15,550.30 is: 23,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.10 : 29,973.45 = 15,550.30 : x
  2. Step 2: Convert to fraction form
    19,995.10/29,973.45 = 15,550.30/x
  3. Step 3: Cross multiply
    19,995.10x = 29,973.45 × 15,550.30
  4. Step 4: Simplify right side
    19,995.10x = 466,096,139.54
  5. Step 5: Solve for x
    x = 466,096,139.54/19,995.10
  6. Step 6: Final answer
    x = 23,310.52

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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.