Home / 43,010.96-64,464.60-19,605.20

Finding the Fourth Proportional to 43,010.96, 64,464.60 and 19,605.20

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Solution

The fourth proportional to 43,010.96, 64,464.60 and 19,605.20 is: 29,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.96 : 64,464.60 = 19,605.20 : x
  2. Step 2: Convert to fraction form
    43,010.96/64,464.60 = 19,605.20/x
  3. Step 3: Cross multiply
    43,010.96x = 64,464.60 × 19,605.20
  4. Step 4: Simplify right side
    43,010.96x = 1,263,841,375.92
  5. Step 5: Solve for x
    x = 1,263,841,375.92/43,010.96
  6. Step 6: Final answer
    x = 29,384.17

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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.