Home / 31,448.62-47,162.94-10,384.74

Finding the Fourth Proportional to 31,448.62, 47,162.94 and 10,384.74

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Solution

The fourth proportional to 31,448.62, 47,162.94 and 10,384.74 is: 15,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.62 : 47,162.94 = 10,384.74 : x
  2. Step 2: Convert to fraction form
    31,448.62/47,162.94 = 10,384.74/x
  3. Step 3: Cross multiply
    31,448.62x = 47,162.94 × 10,384.74
  4. Step 4: Simplify right side
    31,448.62x = 489,774,581.80
  5. Step 5: Solve for x
    x = 489,774,581.80/31,448.62
  6. Step 6: Final answer
    x = 15,573.80

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1.5x scale

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.