Home / 49,642.60-74,438.30-18,461.80

Finding the Fourth Proportional to 49,642.60, 74,438.30 and 18,461.80

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Solution

The fourth proportional to 49,642.60, 74,438.30 and 18,461.80 is: 27,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.60 : 74,438.30 = 18,461.80 : x
  2. Step 2: Convert to fraction form
    49,642.60/74,438.30 = 18,461.80/x
  3. Step 3: Cross multiply
    49,642.60x = 74,438.30 × 18,461.80
  4. Step 4: Simplify right side
    49,642.60x = 1,374,265,006.94
  5. Step 5: Solve for x
    x = 1,374,265,006.94/49,642.60
  6. Step 6: Final answer
    x = 27,683.18

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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.