Home / 31,282.45-46,970.53-27,078.76

Finding the Fourth Proportional to 31,282.45, 46,970.53 and 27,078.76

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Solution

The fourth proportional to 31,282.45, 46,970.53 and 27,078.76 is: 40,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.45 : 46,970.53 = 27,078.76 : x
  2. Step 2: Convert to fraction form
    31,282.45/46,970.53 = 27,078.76/x
  3. Step 3: Cross multiply
    31,282.45x = 46,970.53 × 27,078.76
  4. Step 4: Simplify right side
    31,282.45x = 1,271,903,588.07
  5. Step 5: Solve for x
    x = 1,271,903,588.07/31,282.45
  6. Step 6: Final answer
    x = 40,658.69

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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.