Home / 62,938.80-94,394.50-20,808.92

Finding the Fourth Proportional to 62,938.80, 94,394.50 and 20,808.92

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Solution

The fourth proportional to 62,938.80, 94,394.50 and 20,808.92 is: 31,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.80 : 94,394.50 = 20,808.92 : x
  2. Step 2: Convert to fraction form
    62,938.80/94,394.50 = 20,808.92/x
  3. Step 3: Cross multiply
    62,938.80x = 94,394.50 × 20,808.92
  4. Step 4: Simplify right side
    62,938.80x = 1,964,247,782.90
  5. Step 5: Solve for x
    x = 1,964,247,782.90/62,938.80
  6. Step 6: Final answer
    x = 31,208.85

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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.