Home / 40,660.65-60,880.24-31,623.39

Finding the Fourth Proportional to 40,660.65, 60,880.24 and 31,623.39

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Solution

The fourth proportional to 40,660.65, 60,880.24 and 31,623.39 is: 47,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.65 : 60,880.24 = 31,623.39 : x
  2. Step 2: Convert to fraction form
    40,660.65/60,880.24 = 31,623.39/x
  3. Step 3: Cross multiply
    40,660.65x = 60,880.24 × 31,623.39
  4. Step 4: Simplify right side
    40,660.65x = 1,925,239,572.81
  5. Step 5: Solve for x
    x = 1,925,239,572.81/40,660.65
  6. Step 6: Final answer
    x = 47,348.96

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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.