Home / 31,460.60-47,158.00-11,731.23

Finding the Fourth Proportional to 31,460.60, 47,158.00 and 11,731.23

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Solution

The fourth proportional to 31,460.60, 47,158.00 and 11,731.23 is: 17,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.60 : 47,158.00 = 11,731.23 : x
  2. Step 2: Convert to fraction form
    31,460.60/47,158.00 = 11,731.23/x
  3. Step 3: Cross multiply
    31,460.60x = 47,158.00 × 11,731.23
  4. Step 4: Simplify right side
    31,460.60x = 553,221,315.01
  5. Step 5: Solve for x
    x = 553,221,315.01/31,460.60
  6. Step 6: Final answer
    x = 17,584.57

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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.