Home / 47,772.47-65,944.38-31,851.11

Finding the Fourth Proportional to 47,772.47, 65,944.38 and 31,851.11

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Solution

The fourth proportional to 47,772.47, 65,944.38 and 31,851.11 is: 43,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.47 : 65,944.38 = 31,851.11 : x
  2. Step 2: Convert to fraction form
    47,772.47/65,944.38 = 31,851.11/x
  3. Step 3: Cross multiply
    47,772.47x = 65,944.38 × 31,851.11
  4. Step 4: Simplify right side
    47,772.47x = 2,100,401,701.26
  5. Step 5: Solve for x
    x = 2,100,401,701.26/47,772.47
  6. Step 6: Final answer
    x = 43,966.78

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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.