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Finding the Fourth Proportional to 45,497.98, 68,203.77 and 15,896.53

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Solution

The fourth proportional to 45,497.98, 68,203.77 and 15,896.53 is: 23,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.98 : 68,203.77 = 15,896.53 : x
  2. Step 2: Convert to fraction form
    45,497.98/68,203.77 = 15,896.53/x
  3. Step 3: Cross multiply
    45,497.98x = 68,203.77 × 15,896.53
  4. Step 4: Simplify right side
    45,497.98x = 1,084,203,275.92
  5. Step 5: Solve for x
    x = 1,084,203,275.92/45,497.98
  6. Step 6: Final answer
    x = 23,829.70

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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.