Home / 30,275.11-41,779.79-18,329.95

Finding the Fourth Proportional to 30,275.11, 41,779.79 and 18,329.95

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Solution

The fourth proportional to 30,275.11, 41,779.79 and 18,329.95 is: 25,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.11 : 41,779.79 = 18,329.95 : x
  2. Step 2: Convert to fraction form
    30,275.11/41,779.79 = 18,329.95/x
  3. Step 3: Cross multiply
    30,275.11x = 41,779.79 × 18,329.95
  4. Step 4: Simplify right side
    30,275.11x = 765,821,461.71
  5. Step 5: Solve for x
    x = 765,821,461.71/30,275.11
  6. Step 6: Final answer
    x = 25,295.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.