Home / 42,664.60-63,944.99-30,188.22

Finding the Fourth Proportional to 42,664.60, 63,944.99 and 30,188.22

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Solution

The fourth proportional to 42,664.60, 63,944.99 and 30,188.22 is: 45,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.60 : 63,944.99 = 30,188.22 : x
  2. Step 2: Convert to fraction form
    42,664.60/63,944.99 = 30,188.22/x
  3. Step 3: Cross multiply
    42,664.60x = 63,944.99 × 30,188.22
  4. Step 4: Simplify right side
    42,664.60x = 1,930,385,426.02
  5. Step 5: Solve for x
    x = 1,930,385,426.02/42,664.60
  6. Step 6: Final answer
    x = 45,245.60

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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.