Home / 35,346.12-53,019.18-11,988.96

Finding the Fourth Proportional to 35,346.12, 53,019.18 and 11,988.96

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Solution

The fourth proportional to 35,346.12, 53,019.18 and 11,988.96 is: 17,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.12 : 53,019.18 = 11,988.96 : x
  2. Step 2: Convert to fraction form
    35,346.12/53,019.18 = 11,988.96/x
  3. Step 3: Cross multiply
    35,346.12x = 53,019.18 × 11,988.96
  4. Step 4: Simplify right side
    35,346.12x = 635,644,828.25
  5. Step 5: Solve for x
    x = 635,644,828.25/35,346.12
  6. Step 6: Final answer
    x = 17,983.44

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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.