Home / 35,740.76-49,321.90-19,824.80

Finding the Fourth Proportional to 35,740.76, 49,321.90 and 19,824.80

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Solution

The fourth proportional to 35,740.76, 49,321.90 and 19,824.80 is: 27,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.76 : 49,321.90 = 19,824.80 : x
  2. Step 2: Convert to fraction form
    35,740.76/49,321.90 = 19,824.80/x
  3. Step 3: Cross multiply
    35,740.76x = 49,321.90 × 19,824.80
  4. Step 4: Simplify right side
    35,740.76x = 977,796,876.86
  5. Step 5: Solve for x
    x = 977,796,876.86/35,740.76
  6. Step 6: Final answer
    x = 27,358.03

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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.