Home / 37,891.50-52,291.35-21,125.58

Finding the Fourth Proportional to 37,891.50, 52,291.35 and 21,125.58

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Solution

The fourth proportional to 37,891.50, 52,291.35 and 21,125.58 is: 29,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.50 : 52,291.35 = 21,125.58 : x
  2. Step 2: Convert to fraction form
    37,891.50/52,291.35 = 21,125.58/x
  3. Step 3: Cross multiply
    37,891.50x = 52,291.35 × 21,125.58
  4. Step 4: Simplify right side
    37,891.50x = 1,104,685,097.73
  5. Step 5: Solve for x
    x = 1,104,685,097.73/37,891.50
  6. Step 6: Final answer
    x = 29,153.90

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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.