Home / 45,056.78-67,580.85-13,883.66

Finding the Fourth Proportional to 45,056.78, 67,580.85 and 13,883.66

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Solution

The fourth proportional to 45,056.78, 67,580.85 and 13,883.66 is: 20,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,056.78 : 67,580.85 = 13,883.66 : x
  2. Step 2: Convert to fraction form
    45,056.78/67,580.85 = 13,883.66/x
  3. Step 3: Cross multiply
    45,056.78x = 67,580.85 × 13,883.66
  4. Step 4: Simplify right side
    45,056.78x = 938,269,543.91
  5. Step 5: Solve for x
    x = 938,269,543.91/45,056.78
  6. Step 6: Final answer
    x = 20,824.16

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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.