Home / 53,990.55-74,505.29-30,121.27

Finding the Fourth Proportional to 53,990.55, 74,505.29 and 30,121.27

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Solution

The fourth proportional to 53,990.55, 74,505.29 and 30,121.27 is: 41,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990.55 : 74,505.29 = 30,121.27 : x
  2. Step 2: Convert to fraction form
    53,990.55/74,505.29 = 30,121.27/x
  3. Step 3: Cross multiply
    53,990.55x = 74,505.29 × 30,121.27
  4. Step 4: Simplify right side
    53,990.55x = 2,244,193,619.65
  5. Step 5: Solve for x
    x = 2,244,193,619.65/53,990.55
  6. Step 6: Final answer
    x = 41,566.42

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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.