Home / 31,705.56-47,558.28-9,518.90

Finding the Fourth Proportional to 31,705.56, 47,558.28 and 9,518.90

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Solution

The fourth proportional to 31,705.56, 47,558.28 and 9,518.90 is: 14,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.56 : 47,558.28 = 9,518.90 : x
  2. Step 2: Convert to fraction form
    31,705.56/47,558.28 = 9,518.90/x
  3. Step 3: Cross multiply
    31,705.56x = 47,558.28 × 9,518.90
  4. Step 4: Simplify right side
    31,705.56x = 452,702,511.49
  5. Step 5: Solve for x
    x = 452,702,511.49/31,705.56
  6. Step 6: Final answer
    x = 14,278.33

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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.