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Finding the Fourth Proportional to 34,638.88, 51,950.86 and 10,948.28

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Solution

The fourth proportional to 34,638.88, 51,950.86 and 10,948.28 is: 16,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.88 : 51,950.86 = 10,948.28 : x
  2. Step 2: Convert to fraction form
    34,638.88/51,950.86 = 10,948.28/x
  3. Step 3: Cross multiply
    34,638.88x = 51,950.86 × 10,948.28
  4. Step 4: Simplify right side
    34,638.88x = 568,772,561.52
  5. Step 5: Solve for x
    x = 568,772,561.52/34,638.88
  6. Step 6: Final answer
    x = 16,420.06

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1.5x scale

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.