Home / 31,002.48-46,516.14-11,282.40

Finding the Fourth Proportional to 31,002.48, 46,516.14 and 11,282.40

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Solution

The fourth proportional to 31,002.48, 46,516.14 and 11,282.40 is: 16,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.48 : 46,516.14 = 11,282.40 : x
  2. Step 2: Convert to fraction form
    31,002.48/46,516.14 = 11,282.40/x
  3. Step 3: Cross multiply
    31,002.48x = 46,516.14 × 11,282.40
  4. Step 4: Simplify right side
    31,002.48x = 524,813,697.94
  5. Step 5: Solve for x
    x = 524,813,697.94/31,002.48
  6. Step 6: Final answer
    x = 16,928.12

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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.