Home / 35,883.78-49,516.40-20,777.47

Finding the Fourth Proportional to 35,883.78, 49,516.40 and 20,777.47

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Solution

The fourth proportional to 35,883.78, 49,516.40 and 20,777.47 is: 28,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,883.78 : 49,516.40 = 20,777.47 : x
  2. Step 2: Convert to fraction form
    35,883.78/49,516.40 = 20,777.47/x
  3. Step 3: Cross multiply
    35,883.78x = 49,516.40 × 20,777.47
  4. Step 4: Simplify right side
    35,883.78x = 1,028,825,358.33
  5. Step 5: Solve for x
    x = 1,028,825,358.33/35,883.78
  6. Step 6: Final answer
    x = 28,671.04

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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.