Home / 53,979.41-74,489.83-29,780.33

Finding the Fourth Proportional to 53,979.41, 74,489.83 and 29,780.33

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Solution

The fourth proportional to 53,979.41, 74,489.83 and 29,780.33 is: 41,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.41 : 74,489.83 = 29,780.33 : x
  2. Step 2: Convert to fraction form
    53,979.41/74,489.83 = 29,780.33/x
  3. Step 3: Cross multiply
    53,979.41x = 74,489.83 × 29,780.33
  4. Step 4: Simplify right side
    53,979.41x = 2,218,331,272.14
  5. Step 5: Solve for x
    x = 2,218,331,272.14/53,979.41
  6. Step 6: Final answer
    x = 41,095.88

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1.5x scale

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.