Home / 40,795.38-61,176.69-12,706.20

Finding the Fourth Proportional to 40,795.38, 61,176.69 and 12,706.20

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Solution

The fourth proportional to 40,795.38, 61,176.69 and 12,706.20 is: 19,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,795.38 : 61,176.69 = 12,706.20 : x
  2. Step 2: Convert to fraction form
    40,795.38/61,176.69 = 12,706.20/x
  3. Step 3: Cross multiply
    40,795.38x = 61,176.69 × 12,706.20
  4. Step 4: Simplify right side
    40,795.38x = 777,323,258.48
  5. Step 5: Solve for x
    x = 777,323,258.48/40,795.38
  6. Step 6: Final answer
    x = 19,054.20

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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.