Home / 35,451.51-48,921.06-20,342.71

Finding the Fourth Proportional to 35,451.51, 48,921.06 and 20,342.71

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Solution

The fourth proportional to 35,451.51, 48,921.06 and 20,342.71 is: 28,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.51 : 48,921.06 = 20,342.71 : x
  2. Step 2: Convert to fraction form
    35,451.51/48,921.06 = 20,342.71/x
  3. Step 3: Cross multiply
    35,451.51x = 48,921.06 × 20,342.71
  4. Step 4: Simplify right side
    35,451.51x = 995,186,936.47
  5. Step 5: Solve for x
    x = 995,186,936.47/35,451.51
  6. Step 6: Final answer
    x = 28,071.78

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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.