Home / 62,426.50-93,620.22-20,863.78

Finding the Fourth Proportional to 62,426.50, 93,620.22 and 20,863.78

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Solution

The fourth proportional to 62,426.50, 93,620.22 and 20,863.78 is: 31,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,426.50 : 93,620.22 = 20,863.78 : x
  2. Step 2: Convert to fraction form
    62,426.50/93,620.22 = 20,863.78/x
  3. Step 3: Cross multiply
    62,426.50x = 93,620.22 × 20,863.78
  4. Step 4: Simplify right side
    62,426.50x = 1,953,271,673.63
  5. Step 5: Solve for x
    x = 1,953,271,673.63/62,426.50
  6. Step 6: Final answer
    x = 31,289.14

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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.