Home / 54,289.19-74,922.17-30,423.56

Finding the Fourth Proportional to 54,289.19, 74,922.17 and 30,423.56

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Solution

The fourth proportional to 54,289.19, 74,922.17 and 30,423.56 is: 41,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.19 : 74,922.17 = 30,423.56 : x
  2. Step 2: Convert to fraction form
    54,289.19/74,922.17 = 30,423.56/x
  3. Step 3: Cross multiply
    54,289.19x = 74,922.17 × 30,423.56
  4. Step 4: Simplify right side
    54,289.19x = 2,279,398,607.60
  5. Step 5: Solve for x
    x = 2,279,398,607.60/54,289.19
  6. Step 6: Final answer
    x = 41,986.23

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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.