Home / 53,306.30-79,961.50-13,862.40

Finding the Fourth Proportional to 53,306.30, 79,961.50 and 13,862.40

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Solution

The fourth proportional to 53,306.30, 79,961.50 and 13,862.40 is: 20,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.30 : 79,961.50 = 13,862.40 : x
  2. Step 2: Convert to fraction form
    53,306.30/79,961.50 = 13,862.40/x
  3. Step 3: Cross multiply
    53,306.30x = 79,961.50 × 13,862.40
  4. Step 4: Simplify right side
    53,306.30x = 1,108,458,297.60
  5. Step 5: Solve for x
    x = 1,108,458,297.60/53,306.30
  6. Step 6: Final answer
    x = 20,794.13

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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.