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Finding the Fourth Proportional to 34,495.40, 51,743.10 and 11,124.20

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Solution

The fourth proportional to 34,495.40, 51,743.10 and 11,124.20 is: 16,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,495.40 : 51,743.10 = 11,124.20 : x
  2. Step 2: Convert to fraction form
    34,495.40/51,743.10 = 11,124.20/x
  3. Step 3: Cross multiply
    34,495.40x = 51,743.10 × 11,124.20
  4. Step 4: Simplify right side
    34,495.40x = 575,600,593.02
  5. Step 5: Solve for x
    x = 575,600,593.02/34,495.40
  6. Step 6: Final answer
    x = 16,686.30

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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.