Home / 35,512.09-49,009.45-20,410.02

Finding the Fourth Proportional to 35,512.09, 49,009.45 and 20,410.02

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Solution

The fourth proportional to 35,512.09, 49,009.45 and 20,410.02 is: 28,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.09 : 49,009.45 = 20,410.02 : x
  2. Step 2: Convert to fraction form
    35,512.09/49,009.45 = 20,410.02/x
  3. Step 3: Cross multiply
    35,512.09x = 49,009.45 × 20,410.02
  4. Step 4: Simplify right side
    35,512.09x = 1,000,283,854.69
  5. Step 5: Solve for x
    x = 1,000,283,854.69/35,512.09
  6. Step 6: Final answer
    x = 28,167.42

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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.