Home / 31,435.94-47,159.74-10,377.45

Finding the Fourth Proportional to 31,435.94, 47,159.74 and 10,377.45

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Solution

The fourth proportional to 31,435.94, 47,159.74 and 10,377.45 is: 15,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.94 : 47,159.74 = 10,377.45 : x
  2. Step 2: Convert to fraction form
    31,435.94/47,159.74 = 10,377.45/x
  3. Step 3: Cross multiply
    31,435.94x = 47,159.74 × 10,377.45
  4. Step 4: Simplify right side
    31,435.94x = 489,397,856.83
  5. Step 5: Solve for x
    x = 489,397,856.83/31,435.94
  6. Step 6: Final answer
    x = 15,568.10

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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.