Home / 31,307.81-46,956.72-11,581.88

Finding the Fourth Proportional to 31,307.81, 46,956.72 and 11,581.88

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Solution

The fourth proportional to 31,307.81, 46,956.72 and 11,581.88 is: 17,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.81 : 46,956.72 = 11,581.88 : x
  2. Step 2: Convert to fraction form
    31,307.81/46,956.72 = 11,581.88/x
  3. Step 3: Cross multiply
    31,307.81x = 46,956.72 × 11,581.88
  4. Step 4: Simplify right side
    31,307.81x = 543,847,096.23
  5. Step 5: Solve for x
    x = 543,847,096.23/31,307.81
  6. Step 6: Final answer
    x = 17,370.97

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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.