Home / 31,370.13-47,045.25-10,305.27

Finding the Fourth Proportional to 31,370.13, 47,045.25 and 10,305.27

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Solution

The fourth proportional to 31,370.13, 47,045.25 and 10,305.27 is: 15,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.13 : 47,045.25 = 10,305.27 : x
  2. Step 2: Convert to fraction form
    31,370.13/47,045.25 = 10,305.27/x
  3. Step 3: Cross multiply
    31,370.13x = 47,045.25 × 10,305.27
  4. Step 4: Simplify right side
    31,370.13x = 484,814,003.47
  5. Step 5: Solve for x
    x = 484,814,003.47/31,370.13
  6. Step 6: Final answer
    x = 15,454.64

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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.