Home / 54,310.42-74,951.34-30,444.76

Finding the Fourth Proportional to 54,310.42, 74,951.34 and 30,444.76

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Solution

The fourth proportional to 54,310.42, 74,951.34 and 30,444.76 is: 42,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.42 : 74,951.34 = 30,444.76 : x
  2. Step 2: Convert to fraction form
    54,310.42/74,951.34 = 30,444.76/x
  3. Step 3: Cross multiply
    54,310.42x = 74,951.34 × 30,444.76
  4. Step 4: Simplify right side
    54,310.42x = 2,281,875,370.60
  5. Step 5: Solve for x
    x = 2,281,875,370.60/54,310.42
  6. Step 6: Final answer
    x = 42,015.43

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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.