Home / 31,104.15-46,656.20-7,730.59

Finding the Fourth Proportional to 31,104.15, 46,656.20 and 7,730.59

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Solution

The fourth proportional to 31,104.15, 46,656.20 and 7,730.59 is: 11,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.15 : 46,656.20 = 7,730.59 : x
  2. Step 2: Convert to fraction form
    31,104.15/46,656.20 = 7,730.59/x
  3. Step 3: Cross multiply
    31,104.15x = 46,656.20 × 7,730.59
  4. Step 4: Simplify right side
    31,104.15x = 360,679,681.22
  5. Step 5: Solve for x
    x = 360,679,681.22/31,104.15
  6. Step 6: Final answer
    x = 11,595.87

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Similar ratio
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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.