Home / 35,400.63-48,854.17-19,485.75

Finding the Fourth Proportional to 35,400.63, 48,854.17 and 19,485.75

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Solution

The fourth proportional to 35,400.63, 48,854.17 and 19,485.75 is: 26,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.63 : 48,854.17 = 19,485.75 : x
  2. Step 2: Convert to fraction form
    35,400.63/48,854.17 = 19,485.75/x
  3. Step 3: Cross multiply
    35,400.63x = 48,854.17 × 19,485.75
  4. Step 4: Simplify right side
    35,400.63x = 951,959,874.62
  5. Step 5: Solve for x
    x = 951,959,874.62/35,400.63
  6. Step 6: Final answer
    x = 26,891.05

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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.