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Finding the Fourth Proportional to 45,483.82, 68,223.45 and 17,417.32

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Solution

The fourth proportional to 45,483.82, 68,223.45 and 17,417.32 is: 26,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,483.82 : 68,223.45 = 17,417.32 : x
  2. Step 2: Convert to fraction form
    45,483.82/68,223.45 = 17,417.32/x
  3. Step 3: Cross multiply
    45,483.82x = 68,223.45 × 17,417.32
  4. Step 4: Simplify right side
    45,483.82x = 1,188,269,660.15
  5. Step 5: Solve for x
    x = 1,188,269,660.15/45,483.82
  6. Step 6: Final answer
    x = 26,125.11

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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.