Home / 53,239.18-79,841.49-17,690.95

Finding the Fourth Proportional to 53,239.18, 79,841.49 and 17,690.95

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Solution

The fourth proportional to 53,239.18, 79,841.49 and 17,690.95 is: 26,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.18 : 79,841.49 = 17,690.95 : x
  2. Step 2: Convert to fraction form
    53,239.18/79,841.49 = 17,690.95/x
  3. Step 3: Cross multiply
    53,239.18x = 79,841.49 × 17,690.95
  4. Step 4: Simplify right side
    53,239.18x = 1,412,471,807.52
  5. Step 5: Solve for x
    x = 1,412,471,807.52/53,239.18
  6. Step 6: Final answer
    x = 26,530.68

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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.