Home / 38,389.60-57,535.96-20,576.08

Finding the Fourth Proportional to 38,389.60, 57,535.96 and 20,576.08

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Solution

The fourth proportional to 38,389.60, 57,535.96 and 20,576.08 is: 30,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.60 : 57,535.96 = 20,576.08 : x
  2. Step 2: Convert to fraction form
    38,389.60/57,535.96 = 20,576.08/x
  3. Step 3: Cross multiply
    38,389.60x = 57,535.96 × 20,576.08
  4. Step 4: Simplify right side
    38,389.60x = 1,183,864,515.84
  5. Step 5: Solve for x
    x = 1,183,864,515.84/38,389.60
  6. Step 6: Final answer
    x = 30,838.16

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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.