Home / 53,133.95-79,700.52-19,862.39

Finding the Fourth Proportional to 53,133.95, 79,700.52 and 19,862.39

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Solution

The fourth proportional to 53,133.95, 79,700.52 and 19,862.39 is: 29,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.95 : 79,700.52 = 19,862.39 : x
  2. Step 2: Convert to fraction form
    53,133.95/79,700.52 = 19,862.39/x
  3. Step 3: Cross multiply
    53,133.95x = 79,700.52 × 19,862.39
  4. Step 4: Simplify right side
    53,133.95x = 1,583,042,811.44
  5. Step 5: Solve for x
    x = 1,583,042,811.44/53,133.95
  6. Step 6: Final answer
    x = 29,793.43

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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.