Home / 45,324.09-67,948.74-20,005.65

Finding the Fourth Proportional to 45,324.09, 67,948.74 and 20,005.65

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Solution

The fourth proportional to 45,324.09, 67,948.74 and 20,005.65 is: 29,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.09 : 67,948.74 = 20,005.65 : x
  2. Step 2: Convert to fraction form
    45,324.09/67,948.74 = 20,005.65/x
  3. Step 3: Cross multiply
    45,324.09x = 67,948.74 × 20,005.65
  4. Step 4: Simplify right side
    45,324.09x = 1,359,358,710.38
  5. Step 5: Solve for x
    x = 1,359,358,710.38/45,324.09
  6. Step 6: Final answer
    x = 29,991.97

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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.