Home / 53,869.68-74,331.54-29,990.88

Finding the Fourth Proportional to 53,869.68, 74,331.54 and 29,990.88

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Solution

The fourth proportional to 53,869.68, 74,331.54 and 29,990.88 is: 41,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.68 : 74,331.54 = 29,990.88 : x
  2. Step 2: Convert to fraction form
    53,869.68/74,331.54 = 29,990.88/x
  3. Step 3: Cross multiply
    53,869.68x = 74,331.54 × 29,990.88
  4. Step 4: Simplify right side
    53,869.68x = 2,229,268,296.36
  5. Step 5: Solve for x
    x = 2,229,268,296.36/53,869.68
  6. Step 6: Final answer
    x = 41,382.62

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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.