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Finding the Fourth Proportional to 43,725, 65,598.57 and 12,560.25

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Solution

The fourth proportional to 43,725, 65,598.57 and 12,560.25 is: 18,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725 : 65,598.57 = 12,560.25 : x
  2. Step 2: Convert to fraction form
    43,725/65,598.57 = 12,560.25/x
  3. Step 3: Cross multiply
    43,725x = 65,598.57 × 12,560.25
  4. Step 4: Simplify right side
    43,725x = 823,934,438.84
  5. Step 5: Solve for x
    x = 823,934,438.84/43,725
  6. Step 6: Final answer
    x = 18,843.55

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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.