Home / 35,383.38-48,829.48-20,275.74

Finding the Fourth Proportional to 35,383.38, 48,829.48 and 20,275.74

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Solution

The fourth proportional to 35,383.38, 48,829.48 and 20,275.74 is: 27,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.38 : 48,829.48 = 20,275.74 : x
  2. Step 2: Convert to fraction form
    35,383.38/48,829.48 = 20,275.74/x
  3. Step 3: Cross multiply
    35,383.38x = 48,829.48 × 20,275.74
  4. Step 4: Simplify right side
    35,383.38x = 990,053,840.82
  5. Step 5: Solve for x
    x = 990,053,840.82/35,383.38
  6. Step 6: Final answer
    x = 27,980.76

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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.