Home / 35,470.41-48,947.52-20,352.72

Finding the Fourth Proportional to 35,470.41, 48,947.52 and 20,352.72

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Solution

The fourth proportional to 35,470.41, 48,947.52 and 20,352.72 is: 28,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.41 : 48,947.52 = 20,352.72 : x
  2. Step 2: Convert to fraction form
    35,470.41/48,947.52 = 20,352.72/x
  3. Step 3: Cross multiply
    35,470.41x = 48,947.52 × 20,352.72
  4. Step 4: Simplify right side
    35,470.41x = 996,215,169.25
  5. Step 5: Solve for x
    x = 996,215,169.25/35,470.41
  6. Step 6: Final answer
    x = 28,085.81

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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.