Home / 31,100.67-46,646.64-8,915.94

Finding the Fourth Proportional to 31,100.67, 46,646.64 and 8,915.94

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Solution

The fourth proportional to 31,100.67, 46,646.64 and 8,915.94 is: 13,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.67 : 46,646.64 = 8,915.94 : x
  2. Step 2: Convert to fraction form
    31,100.67/46,646.64 = 8,915.94/x
  3. Step 3: Cross multiply
    31,100.67x = 46,646.64 × 8,915.94
  4. Step 4: Simplify right side
    31,100.67x = 415,898,643.44
  5. Step 5: Solve for x
    x = 415,898,643.44/31,100.67
  6. Step 6: Final answer
    x = 13,372.66

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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.