Home / 30,081.14-45,166.08-16,780.13

Finding the Fourth Proportional to 30,081.14, 45,166.08 and 16,780.13

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Solution

The fourth proportional to 30,081.14, 45,166.08 and 16,780.13 is: 25,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.14 : 45,166.08 = 16,780.13 : x
  2. Step 2: Convert to fraction form
    30,081.14/45,166.08 = 16,780.13/x
  3. Step 3: Cross multiply
    30,081.14x = 45,166.08 × 16,780.13
  4. Step 4: Simplify right side
    30,081.14x = 757,892,384.26
  5. Step 5: Solve for x
    x = 757,892,384.26/30,081.14
  6. Step 6: Final answer
    x = 25,194.94

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Double scale
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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.