Home / 34,920.69-48,182.15-20,581.09

Finding the Fourth Proportional to 34,920.69, 48,182.15 and 20,581.09

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Solution

The fourth proportional to 34,920.69, 48,182.15 and 20,581.09 is: 28,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.69 : 48,182.15 = 20,581.09 : x
  2. Step 2: Convert to fraction form
    34,920.69/48,182.15 = 20,581.09/x
  3. Step 3: Cross multiply
    34,920.69x = 48,182.15 × 20,581.09
  4. Step 4: Simplify right side
    34,920.69x = 991,641,062.64
  5. Step 5: Solve for x
    x = 991,641,062.64/34,920.69
  6. Step 6: Final answer
    x = 28,396.95

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1.5x scale

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.