Home / 30,235.80-41,722.38-17,488.02

Finding the Fourth Proportional to 30,235.80, 41,722.38 and 17,488.02

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Solution

The fourth proportional to 30,235.80, 41,722.38 and 17,488.02 is: 24,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.80 : 41,722.38 = 17,488.02 : x
  2. Step 2: Convert to fraction form
    30,235.80/41,722.38 = 17,488.02/x
  3. Step 3: Cross multiply
    30,235.80x = 41,722.38 × 17,488.02
  4. Step 4: Simplify right side
    30,235.80x = 729,641,815.89
  5. Step 5: Solve for x
    x = 729,641,815.89/30,235.80
  6. Step 6: Final answer
    x = 24,131.72

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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.