Home / 39,498.33-54,511.38-21,595.95

Finding the Fourth Proportional to 39,498.33, 54,511.38 and 21,595.95

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Solution

The fourth proportional to 39,498.33, 54,511.38 and 21,595.95 is: 29,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.33 : 54,511.38 = 21,595.95 : x
  2. Step 2: Convert to fraction form
    39,498.33/54,511.38 = 21,595.95/x
  3. Step 3: Cross multiply
    39,498.33x = 54,511.38 × 21,595.95
  4. Step 4: Simplify right side
    39,498.33x = 1,177,225,036.91
  5. Step 5: Solve for x
    x = 1,177,225,036.91/39,498.33
  6. Step 6: Final answer
    x = 29,804.42

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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.