Home / 31,040.19-46,560.42-7,666.63

Finding the Fourth Proportional to 31,040.19, 46,560.42 and 7,666.63

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Solution

The fourth proportional to 31,040.19, 46,560.42 and 7,666.63 is: 11,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.19 : 46,560.42 = 7,666.63 : x
  2. Step 2: Convert to fraction form
    31,040.19/46,560.42 = 7,666.63/x
  3. Step 3: Cross multiply
    31,040.19x = 46,560.42 × 7,666.63
  4. Step 4: Simplify right side
    31,040.19x = 356,961,512.78
  5. Step 5: Solve for x
    x = 356,961,512.78/31,040.19
  6. Step 6: Final answer
    x = 11,499.98

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Double scale
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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.