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Finding the Fourth Proportional to 34,915.98, 48,184.02 and 19,000.40

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Solution

The fourth proportional to 34,915.98, 48,184.02 and 19,000.40 is: 26,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.98 : 48,184.02 = 19,000.40 : x
  2. Step 2: Convert to fraction form
    34,915.98/48,184.02 = 19,000.40/x
  3. Step 3: Cross multiply
    34,915.98x = 48,184.02 × 19,000.40
  4. Step 4: Simplify right side
    34,915.98x = 915,515,653.61
  5. Step 5: Solve for x
    x = 915,515,653.61/34,915.98
  6. Step 6: Final answer
    x = 26,220.53

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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.