Home / 54,191.24-74,780.44-30,313.80

Finding the Fourth Proportional to 54,191.24, 74,780.44 and 30,313.80

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Solution

The fourth proportional to 54,191.24, 74,780.44 and 30,313.80 is: 41,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.24 : 74,780.44 = 30,313.80 : x
  2. Step 2: Convert to fraction form
    54,191.24/74,780.44 = 30,313.80/x
  3. Step 3: Cross multiply
    54,191.24x = 74,780.44 × 30,313.80
  4. Step 4: Simplify right side
    54,191.24x = 2,266,879,302.07
  5. Step 5: Solve for x
    x = 2,266,879,302.07/54,191.24
  6. Step 6: Final answer
    x = 41,831.10

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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.