Home / 42,850.96-64,282.56-13,271.44

Finding the Fourth Proportional to 42,850.96, 64,282.56 and 13,271.44

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Solution

The fourth proportional to 42,850.96, 64,282.56 and 13,271.44 is: 19,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.96 : 64,282.56 = 13,271.44 : x
  2. Step 2: Convert to fraction form
    42,850.96/64,282.56 = 13,271.44/x
  3. Step 3: Cross multiply
    42,850.96x = 64,282.56 × 13,271.44
  4. Step 4: Simplify right side
    42,850.96x = 853,122,138.09
  5. Step 5: Solve for x
    x = 853,122,138.09/42,850.96
  6. Step 6: Final answer
    x = 19,909.06

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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.