Home / 54,314.78-74,957.27-30,449.07

Finding the Fourth Proportional to 54,314.78, 74,957.27 and 30,449.07

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Solution

The fourth proportional to 54,314.78, 74,957.27 and 30,449.07 is: 42,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.78 : 74,957.27 = 30,449.07 : x
  2. Step 2: Convert to fraction form
    54,314.78/74,957.27 = 30,449.07/x
  3. Step 3: Cross multiply
    54,314.78x = 74,957.27 × 30,449.07
  4. Step 4: Simplify right side
    54,314.78x = 2,282,379,008.99
  5. Step 5: Solve for x
    x = 2,282,379,008.99/54,314.78
  6. Step 6: Final answer
    x = 42,021.33

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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.