Home / 43,029.35-64,521.75-19,316.47

Finding the Fourth Proportional to 43,029.35, 64,521.75 and 19,316.47

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Solution

The fourth proportional to 43,029.35, 64,521.75 and 19,316.47 is: 28,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.35 : 64,521.75 = 19,316.47 : x
  2. Step 2: Convert to fraction form
    43,029.35/64,521.75 = 19,316.47/x
  3. Step 3: Cross multiply
    43,029.35x = 64,521.75 × 19,316.47
  4. Step 4: Simplify right side
    43,029.35x = 1,246,332,448.22
  5. Step 5: Solve for x
    x = 1,246,332,448.22/43,029.35
  6. Step 6: Final answer
    x = 28,964.71

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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.