Home / 33,239.23-49,870.62-20,430.97

Finding the Fourth Proportional to 33,239.23, 49,870.62 and 20,430.97

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Solution

The fourth proportional to 33,239.23, 49,870.62 and 20,430.97 is: 30,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.23 : 49,870.62 = 20,430.97 : x
  2. Step 2: Convert to fraction form
    33,239.23/49,870.62 = 20,430.97/x
  3. Step 3: Cross multiply
    33,239.23x = 49,870.62 × 20,430.97
  4. Step 4: Simplify right side
    33,239.23x = 1,018,905,016.42
  5. Step 5: Solve for x
    x = 1,018,905,016.42/33,239.23
  6. Step 6: Final answer
    x = 30,653.69

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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.