Home / 41,438.40-62,120.28-15,124.68

Finding the Fourth Proportional to 41,438.40, 62,120.28 and 15,124.68

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Solution

The fourth proportional to 41,438.40, 62,120.28 and 15,124.68 is: 22,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,438.40 : 62,120.28 = 15,124.68 : x
  2. Step 2: Convert to fraction form
    41,438.40/62,120.28 = 15,124.68/x
  3. Step 3: Cross multiply
    41,438.40x = 62,120.28 × 15,124.68
  4. Step 4: Simplify right side
    41,438.40x = 939,549,356.51
  5. Step 5: Solve for x
    x = 939,549,356.51/41,438.40
  6. Step 6: Final answer
    x = 22,673.40

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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.