Home / 35,456.13-53,181.77-9,159.89

Finding the Fourth Proportional to 35,456.13, 53,181.77 and 9,159.89

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Solution

The fourth proportional to 35,456.13, 53,181.77 and 9,159.89 is: 13,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.13 : 53,181.77 = 9,159.89 : x
  2. Step 2: Convert to fraction form
    35,456.13/53,181.77 = 9,159.89/x
  3. Step 3: Cross multiply
    35,456.13x = 53,181.77 × 9,159.89
  4. Step 4: Simplify right side
    35,456.13x = 487,138,851.50
  5. Step 5: Solve for x
    x = 487,138,851.50/35,456.13
  6. Step 6: Final answer
    x = 13,739.20

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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.