Home / 35,407.31-48,857.78-21,067.56

Finding the Fourth Proportional to 35,407.31, 48,857.78 and 21,067.56

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Solution

The fourth proportional to 35,407.31, 48,857.78 and 21,067.56 is: 29,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.31 : 48,857.78 = 21,067.56 : x
  2. Step 2: Convert to fraction form
    35,407.31/48,857.78 = 21,067.56/x
  3. Step 3: Cross multiply
    35,407.31x = 48,857.78 × 21,067.56
  4. Step 4: Simplify right side
    35,407.31x = 1,029,314,264.29
  5. Step 5: Solve for x
    x = 1,029,314,264.29/35,407.31
  6. Step 6: Final answer
    x = 29,070.68

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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.