Home / 30,114.39-41,557.30-16,685.59

Finding the Fourth Proportional to 30,114.39, 41,557.30 and 16,685.59

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Solution

The fourth proportional to 30,114.39, 41,557.30 and 16,685.59 is: 23,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.39 : 41,557.30 = 16,685.59 : x
  2. Step 2: Convert to fraction form
    30,114.39/41,557.30 = 16,685.59/x
  3. Step 3: Cross multiply
    30,114.39x = 41,557.30 × 16,685.59
  4. Step 4: Simplify right side
    30,114.39x = 693,408,069.31
  5. Step 5: Solve for x
    x = 693,408,069.31/30,114.39
  6. Step 6: Final answer
    x = 23,025.80

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Double scale
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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.