Home / 31,961.79-47,925.78-14,184.72

Finding the Fourth Proportional to 31,961.79, 47,925.78 and 14,184.72

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Solution

The fourth proportional to 31,961.79, 47,925.78 and 14,184.72 is: 21,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.79 : 47,925.78 = 14,184.72 : x
  2. Step 2: Convert to fraction form
    31,961.79/47,925.78 = 14,184.72/x
  3. Step 3: Cross multiply
    31,961.79x = 47,925.78 × 14,184.72
  4. Step 4: Simplify right side
    31,961.79x = 679,813,770.08
  5. Step 5: Solve for x
    x = 679,813,770.08/31,961.79
  6. Step 6: Final answer
    x = 21,269.58

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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.