Home / 35,979.14-53,984.24-19,319.66

Finding the Fourth Proportional to 35,979.14, 53,984.24 and 19,319.66

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Solution

The fourth proportional to 35,979.14, 53,984.24 and 19,319.66 is: 28,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.14 : 53,984.24 = 19,319.66 : x
  2. Step 2: Convert to fraction form
    35,979.14/53,984.24 = 19,319.66/x
  3. Step 3: Cross multiply
    35,979.14x = 53,984.24 × 19,319.66
  4. Step 4: Simplify right side
    35,979.14x = 1,042,956,795.64
  5. Step 5: Solve for x
    x = 1,042,956,795.64/35,979.14
  6. Step 6: Final answer
    x = 28,987.82

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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.