Home / 38,491.56-53,142.62-29,521.80

Finding the Fourth Proportional to 38,491.56, 53,142.62 and 29,521.80

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Solution

The fourth proportional to 38,491.56, 53,142.62 and 29,521.80 is: 40,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.56 : 53,142.62 = 29,521.80 : x
  2. Step 2: Convert to fraction form
    38,491.56/53,142.62 = 29,521.80/x
  3. Step 3: Cross multiply
    38,491.56x = 53,142.62 × 29,521.80
  4. Step 4: Simplify right side
    38,491.56x = 1,568,865,651.51
  5. Step 5: Solve for x
    x = 1,568,865,651.51/38,491.56
  6. Step 6: Final answer
    x = 40,758.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.