Home / 35,244.82-48,637.63-20,142.10

Finding the Fourth Proportional to 35,244.82, 48,637.63 and 20,142.10

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Solution

The fourth proportional to 35,244.82, 48,637.63 and 20,142.10 is: 27,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,244.82 : 48,637.63 = 20,142.10 : x
  2. Step 2: Convert to fraction form
    35,244.82/48,637.63 = 20,142.10/x
  3. Step 3: Cross multiply
    35,244.82x = 48,637.63 × 20,142.10
  4. Step 4: Simplify right side
    35,244.82x = 979,663,906.51
  5. Step 5: Solve for x
    x = 979,663,906.51/35,244.82
  6. Step 6: Final answer
    x = 27,795.97

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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.