Home / 49,931.84-74,915.23-31,189.91

Finding the Fourth Proportional to 49,931.84, 74,915.23 and 31,189.91

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Solution

The fourth proportional to 49,931.84, 74,915.23 and 31,189.91 is: 46,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,931.84 : 74,915.23 = 31,189.91 : x
  2. Step 2: Convert to fraction form
    49,931.84/74,915.23 = 31,189.91/x
  3. Step 3: Cross multiply
    49,931.84x = 74,915.23 × 31,189.91
  4. Step 4: Simplify right side
    49,931.84x = 2,336,599,308.66
  5. Step 5: Solve for x
    x = 2,336,599,308.66/49,931.84
  6. Step 6: Final answer
    x = 46,795.78

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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.