Home / 35,107.31-48,448.12-19,191.77

Finding the Fourth Proportional to 35,107.31, 48,448.12 and 19,191.77

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Solution

The fourth proportional to 35,107.31, 48,448.12 and 19,191.77 is: 26,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,107.31 : 48,448.12 = 19,191.77 : x
  2. Step 2: Convert to fraction form
    35,107.31/48,448.12 = 19,191.77/x
  3. Step 3: Cross multiply
    35,107.31x = 48,448.12 × 19,191.77
  4. Step 4: Simplify right side
    35,107.31x = 929,805,175.97
  5. Step 5: Solve for x
    x = 929,805,175.97/35,107.31
  6. Step 6: Final answer
    x = 26,484.66

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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.