Home / 35,085.96-48,420-19,171.08

Finding the Fourth Proportional to 35,085.96, 48,420 and 19,171.08

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Solution

The fourth proportional to 35,085.96, 48,420 and 19,171.08 is: 26,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.96 : 48,420 = 19,171.08 : x
  2. Step 2: Convert to fraction form
    35,085.96/48,420 = 19,171.08/x
  3. Step 3: Cross multiply
    35,085.96x = 48,420 × 19,171.08
  4. Step 4: Simplify right side
    35,085.96x = 928,263,693.60
  5. Step 5: Solve for x
    x = 928,263,693.60/35,085.96
  6. Step 6: Final answer
    x = 26,456.84

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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.