Home / 45,915.80-68,864.99-12,627.63

Finding the Fourth Proportional to 45,915.80, 68,864.99 and 12,627.63

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Solution

The fourth proportional to 45,915.80, 68,864.99 and 12,627.63 is: 18,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.80 : 68,864.99 = 12,627.63 : x
  2. Step 2: Convert to fraction form
    45,915.80/68,864.99 = 12,627.63/x
  3. Step 3: Cross multiply
    45,915.80x = 68,864.99 × 12,627.63
  4. Step 4: Simplify right side
    45,915.80x = 869,601,550.54
  5. Step 5: Solve for x
    x = 869,601,550.54/45,915.80
  6. Step 6: Final answer
    x = 18,939.05

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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.