Home / 34,915.49-48,174.98-20,575.91

Finding the Fourth Proportional to 34,915.49, 48,174.98 and 20,575.91

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Solution

The fourth proportional to 34,915.49, 48,174.98 and 20,575.91 is: 28,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.49 : 48,174.98 = 20,575.91 : x
  2. Step 2: Convert to fraction form
    34,915.49/48,174.98 = 20,575.91/x
  3. Step 3: Cross multiply
    34,915.49x = 48,174.98 × 20,575.91
  4. Step 4: Simplify right side
    34,915.49x = 991,244,224.61
  5. Step 5: Solve for x
    x = 991,244,224.61/34,915.49
  6. Step 6: Final answer
    x = 28,389.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.