Home / 30,036.94-41,451.19-16,425.05

Finding the Fourth Proportional to 30,036.94, 41,451.19 and 16,425.05

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Solution

The fourth proportional to 30,036.94, 41,451.19 and 16,425.05 is: 22,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.94 : 41,451.19 = 16,425.05 : x
  2. Step 2: Convert to fraction form
    30,036.94/41,451.19 = 16,425.05/x
  3. Step 3: Cross multiply
    30,036.94x = 41,451.19 × 16,425.05
  4. Step 4: Simplify right side
    30,036.94x = 680,837,712.38
  5. Step 5: Solve for x
    x = 680,837,712.38/30,036.94
  6. Step 6: Final answer
    x = 22,666.68

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Half scale
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Double scale
Find fourth proportional to 30,037.94, 41,452.57 and 16,426.05
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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.