Home / 39,454.12-54,336.04-39,331.10

Finding the Fourth Proportional to 39,454.12, 54,336.04 and 39,331.10

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Solution

The fourth proportional to 39,454.12, 54,336.04 and 39,331.10 is: 54,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.12 : 54,336.04 = 39,331.10 : x
  2. Step 2: Convert to fraction form
    39,454.12/54,336.04 = 39,331.10/x
  3. Step 3: Cross multiply
    39,454.12x = 54,336.04 × 39,331.10
  4. Step 4: Simplify right side
    39,454.12x = 2,137,096,222.84
  5. Step 5: Solve for x
    x = 2,137,096,222.84/39,454.12
  6. Step 6: Final answer
    x = 54,166.62

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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.