Home / 31,705.76-47,559.84-14,175.74

Finding the Fourth Proportional to 31,705.76, 47,559.84 and 14,175.74

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Solution

The fourth proportional to 31,705.76, 47,559.84 and 14,175.74 is: 21,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.76 : 47,559.84 = 14,175.74 : x
  2. Step 2: Convert to fraction form
    31,705.76/47,559.84 = 14,175.74/x
  3. Step 3: Cross multiply
    31,705.76x = 47,559.84 × 14,175.74
  4. Step 4: Simplify right side
    31,705.76x = 674,195,926.28
  5. Step 5: Solve for x
    x = 674,195,926.28/31,705.76
  6. Step 6: Final answer
    x = 21,264.15

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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.