Home / 31,005.56-46,512.16-8,820.66

Finding the Fourth Proportional to 31,005.56, 46,512.16 and 8,820.66

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Solution

The fourth proportional to 31,005.56, 46,512.16 and 8,820.66 is: 13,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.56 : 46,512.16 = 8,820.66 : x
  2. Step 2: Convert to fraction form
    31,005.56/46,512.16 = 8,820.66/x
  3. Step 3: Cross multiply
    31,005.56x = 46,512.16 × 8,820.66
  4. Step 4: Simplify right side
    31,005.56x = 410,267,905.12
  5. Step 5: Solve for x
    x = 410,267,905.12/31,005.56
  6. Step 6: Final answer
    x = 13,232.08

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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.