Home / 45,097.08-67,609.57-21,392.70

Finding the Fourth Proportional to 45,097.08, 67,609.57 and 21,392.70

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Solution

The fourth proportional to 45,097.08, 67,609.57 and 21,392.70 is: 32,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,097.08 : 67,609.57 = 21,392.70 : x
  2. Step 2: Convert to fraction form
    45,097.08/67,609.57 = 21,392.70/x
  3. Step 3: Cross multiply
    45,097.08x = 67,609.57 × 21,392.70
  4. Step 4: Simplify right side
    45,097.08x = 1,446,351,248.14
  5. Step 5: Solve for x
    x = 1,446,351,248.14/45,097.08
  6. Step 6: Final answer
    x = 32,071.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.