Home / 46,915.11-70,372.90-11,854.80

Finding the Fourth Proportional to 46,915.11, 70,372.90 and 11,854.80

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Solution

The fourth proportional to 46,915.11, 70,372.90 and 11,854.80 is: 17,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,915.11 : 70,372.90 = 11,854.80 : x
  2. Step 2: Convert to fraction form
    46,915.11/70,372.90 = 11,854.80/x
  3. Step 3: Cross multiply
    46,915.11x = 70,372.90 × 11,854.80
  4. Step 4: Simplify right side
    46,915.11x = 834,256,654.92
  5. Step 5: Solve for x
    x = 834,256,654.92/46,915.11
  6. Step 6: Final answer
    x = 17,782.26

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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.