Home / 31,521.15-43,503.14-18,096.62

Finding the Fourth Proportional to 31,521.15, 43,503.14 and 18,096.62

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Solution

The fourth proportional to 31,521.15, 43,503.14 and 18,096.62 is: 24,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.15 : 43,503.14 = 18,096.62 : x
  2. Step 2: Convert to fraction form
    31,521.15/43,503.14 = 18,096.62/x
  3. Step 3: Cross multiply
    31,521.15x = 43,503.14 × 18,096.62
  4. Step 4: Simplify right side
    31,521.15x = 787,259,621.11
  5. Step 5: Solve for x
    x = 787,259,621.11/31,521.15
  6. Step 6: Final answer
    x = 24,975.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.