Home / 35,287.48-48,693.10-21,139.96

Finding the Fourth Proportional to 35,287.48, 48,693.10 and 21,139.96

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Solution

The fourth proportional to 35,287.48, 48,693.10 and 21,139.96 is: 29,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.48 : 48,693.10 = 21,139.96 : x
  2. Step 2: Convert to fraction form
    35,287.48/48,693.10 = 21,139.96/x
  3. Step 3: Cross multiply
    35,287.48x = 48,693.10 × 21,139.96
  4. Step 4: Simplify right side
    35,287.48x = 1,029,370,186.28
  5. Step 5: Solve for x
    x = 1,029,370,186.28/35,287.48
  6. Step 6: Final answer
    x = 29,170.97

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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.