Home / 43,148.39-64,729.96-19,776.83

Finding the Fourth Proportional to 43,148.39, 64,729.96 and 19,776.83

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Solution

The fourth proportional to 43,148.39, 64,729.96 and 19,776.83 is: 29,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.39 : 64,729.96 = 19,776.83 : x
  2. Step 2: Convert to fraction form
    43,148.39/64,729.96 = 19,776.83/x
  3. Step 3: Cross multiply
    43,148.39x = 64,729.96 × 19,776.83
  4. Step 4: Simplify right side
    43,148.39x = 1,280,153,041.73
  5. Step 5: Solve for x
    x = 1,280,153,041.73/43,148.39
  6. Step 6: Final answer
    x = 29,668.62

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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.