Home / 31,108.32-46,587.60-19,406.88

Finding the Fourth Proportional to 31,108.32, 46,587.60 and 19,406.88

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Solution

The fourth proportional to 31,108.32, 46,587.60 and 19,406.88 is: 29,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.32 : 46,587.60 = 19,406.88 : x
  2. Step 2: Convert to fraction form
    31,108.32/46,587.60 = 19,406.88/x
  3. Step 3: Cross multiply
    31,108.32x = 46,587.60 × 19,406.88
  4. Step 4: Simplify right side
    31,108.32x = 904,119,962.69
  5. Step 5: Solve for x
    x = 904,119,962.69/31,108.32
  6. Step 6: Final answer
    x = 29,063.61

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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.