Home / 19,888.05-29,840.33-8,050.19

Finding the Fourth Proportional to 19,888.05, 29,840.33 and 8,050.19

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Solution

The fourth proportional to 19,888.05, 29,840.33 and 8,050.19 is: 12,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.05 : 29,840.33 = 8,050.19 : x
  2. Step 2: Convert to fraction form
    19,888.05/29,840.33 = 8,050.19/x
  3. Step 3: Cross multiply
    19,888.05x = 29,840.33 × 8,050.19
  4. Step 4: Simplify right side
    19,888.05x = 240,220,227.88
  5. Step 5: Solve for x
    x = 240,220,227.88/19,888.05
  6. Step 6: Final answer
    x = 12,078.62

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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.