Home / 34,985.70-52,442.10-19,166.40

Finding the Fourth Proportional to 34,985.70, 52,442.10 and 19,166.40

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Solution

The fourth proportional to 34,985.70, 52,442.10 and 19,166.40 is: 28,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.70 : 52,442.10 = 19,166.40 : x
  2. Step 2: Convert to fraction form
    34,985.70/52,442.10 = 19,166.40/x
  3. Step 3: Cross multiply
    34,985.70x = 52,442.10 × 19,166.40
  4. Step 4: Simplify right side
    34,985.70x = 1,005,126,265.44
  5. Step 5: Solve for x
    x = 1,005,126,265.44/34,985.70
  6. Step 6: Final answer
    x = 28,729.63

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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.