Home / 42,793.68-64,196.67-13,213.80

Finding the Fourth Proportional to 42,793.68, 64,196.67 and 13,213.80

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Solution

The fourth proportional to 42,793.68, 64,196.67 and 13,213.80 is: 19,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.68 : 64,196.67 = 13,213.80 : x
  2. Step 2: Convert to fraction form
    42,793.68/64,196.67 = 13,213.80/x
  3. Step 3: Cross multiply
    42,793.68x = 64,196.67 × 13,213.80
  4. Step 4: Simplify right side
    42,793.68x = 848,281,958.05
  5. Step 5: Solve for x
    x = 848,281,958.05/42,793.68
  6. Step 6: Final answer
    x = 19,822.60

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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.