Home / 29,725.20-41,019.12-16,977.60

Finding the Fourth Proportional to 29,725.20, 41,019.12 and 16,977.60

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Solution

The fourth proportional to 29,725.20, 41,019.12 and 16,977.60 is: 23,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,725.20 : 41,019.12 = 16,977.60 : x
  2. Step 2: Convert to fraction form
    29,725.20/41,019.12 = 16,977.60/x
  3. Step 3: Cross multiply
    29,725.20x = 41,019.12 × 16,977.60
  4. Step 4: Simplify right side
    29,725.20x = 696,406,211.71
  5. Step 5: Solve for x
    x = 696,406,211.71/29,725.20
  6. Step 6: Final answer
    x = 23,428.14

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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.