Home / 54,279.18-74,896.56-30,406.86

Finding the Fourth Proportional to 54,279.18, 74,896.56 and 30,406.86

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Solution

The fourth proportional to 54,279.18, 74,896.56 and 30,406.86 is: 41,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.18 : 74,896.56 = 30,406.86 : x
  2. Step 2: Convert to fraction form
    54,279.18/74,896.56 = 30,406.86/x
  3. Step 3: Cross multiply
    54,279.18x = 74,896.56 × 30,406.86
  4. Step 4: Simplify right side
    54,279.18x = 2,277,369,214.40
  5. Step 5: Solve for x
    x = 2,277,369,214.40/54,279.18
  6. Step 6: Final answer
    x = 41,956.59

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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.