Home / 37,605.25-51,900.42-21,689.35

Finding the Fourth Proportional to 37,605.25, 51,900.42 and 21,689.35

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Solution

The fourth proportional to 37,605.25, 51,900.42 and 21,689.35 is: 29,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.25 : 51,900.42 = 21,689.35 : x
  2. Step 2: Convert to fraction form
    37,605.25/51,900.42 = 21,689.35/x
  3. Step 3: Cross multiply
    37,605.25x = 51,900.42 × 21,689.35
  4. Step 4: Simplify right side
    37,605.25x = 1,125,686,115.02
  5. Step 5: Solve for x
    x = 1,125,686,115.02/37,605.25
  6. Step 6: Final answer
    x = 29,934.28

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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.