Home / 54,211.85-74,812.50-30,336.69

Finding the Fourth Proportional to 54,211.85, 74,812.50 and 30,336.69

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Solution

The fourth proportional to 54,211.85, 74,812.50 and 30,336.69 is: 41,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.85 : 74,812.50 = 30,336.69 : x
  2. Step 2: Convert to fraction form
    54,211.85/74,812.50 = 30,336.69/x
  3. Step 3: Cross multiply
    54,211.85x = 74,812.50 × 30,336.69
  4. Step 4: Simplify right side
    54,211.85x = 2,269,563,620.63
  5. Step 5: Solve for x
    x = 2,269,563,620.63/54,211.85
  6. Step 6: Final answer
    x = 41,864.72

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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.