Home / 43,331.68-64,999.95-12,164.50

Finding the Fourth Proportional to 43,331.68, 64,999.95 and 12,164.50

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Solution

The fourth proportional to 43,331.68, 64,999.95 and 12,164.50 is: 18,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.68 : 64,999.95 = 12,164.50 : x
  2. Step 2: Convert to fraction form
    43,331.68/64,999.95 = 12,164.50/x
  3. Step 3: Cross multiply
    43,331.68x = 64,999.95 × 12,164.50
  4. Step 4: Simplify right side
    43,331.68x = 790,691,891.78
  5. Step 5: Solve for x
    x = 790,691,891.78/43,331.68
  6. Step 6: Final answer
    x = 18,247.43

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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.