Home / 30,955.11-46,432.20-7,581.56

Finding the Fourth Proportional to 30,955.11, 46,432.20 and 7,581.56

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Solution

The fourth proportional to 30,955.11, 46,432.20 and 7,581.56 is: 11,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.11 : 46,432.20 = 7,581.56 : x
  2. Step 2: Convert to fraction form
    30,955.11/46,432.20 = 7,581.56/x
  3. Step 3: Cross multiply
    30,955.11x = 46,432.20 × 7,581.56
  4. Step 4: Simplify right side
    30,955.11x = 352,028,278.07
  5. Step 5: Solve for x
    x = 352,028,278.07/30,955.11
  6. Step 6: Final answer
    x = 11,372.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.