Home / 35,445.88-53,179.20-10,486.60

Finding the Fourth Proportional to 35,445.88, 53,179.20 and 10,486.60

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Solution

The fourth proportional to 35,445.88, 53,179.20 and 10,486.60 is: 15,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.88 : 53,179.20 = 10,486.60 : x
  2. Step 2: Convert to fraction form
    35,445.88/53,179.20 = 10,486.60/x
  3. Step 3: Cross multiply
    35,445.88x = 53,179.20 × 10,486.60
  4. Step 4: Simplify right side
    35,445.88x = 557,668,998.72
  5. Step 5: Solve for x
    x = 557,668,998.72/35,445.88
  6. Step 6: Final answer
    x = 15,732.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.