Home / 47,032.78-64,906.50-25,812.80

Finding the Fourth Proportional to 47,032.78, 64,906.50 and 25,812.80

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Solution

The fourth proportional to 47,032.78, 64,906.50 and 25,812.80 is: 35,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,032.78 : 64,906.50 = 25,812.80 : x
  2. Step 2: Convert to fraction form
    47,032.78/64,906.50 = 25,812.80/x
  3. Step 3: Cross multiply
    47,032.78x = 64,906.50 × 25,812.80
  4. Step 4: Simplify right side
    47,032.78x = 1,675,418,503.20
  5. Step 5: Solve for x
    x = 1,675,418,503.20/47,032.78
  6. Step 6: Final answer
    x = 35,622.36

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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.