Home / 30,103.10-45,138.20-23,902.94

Finding the Fourth Proportional to 30,103.10, 45,138.20 and 23,902.94

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Solution

The fourth proportional to 30,103.10, 45,138.20 and 23,902.94 is: 35,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.10 : 45,138.20 = 23,902.94 : x
  2. Step 2: Convert to fraction form
    30,103.10/45,138.20 = 23,902.94/x
  3. Step 3: Cross multiply
    30,103.10x = 45,138.20 × 23,902.94
  4. Step 4: Simplify right side
    30,103.10x = 1,078,935,686.31
  5. Step 5: Solve for x
    x = 1,078,935,686.31/30,103.10
  6. Step 6: Final answer
    x = 35,841.35

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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.