Home / 43,317.32-64,939.53-21,119.27

Finding the Fourth Proportional to 43,317.32, 64,939.53 and 21,119.27

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Solution

The fourth proportional to 43,317.32, 64,939.53 and 21,119.27 is: 31,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.32 : 64,939.53 = 21,119.27 : x
  2. Step 2: Convert to fraction form
    43,317.32/64,939.53 = 21,119.27/x
  3. Step 3: Cross multiply
    43,317.32x = 64,939.53 × 21,119.27
  4. Step 4: Simplify right side
    43,317.32x = 1,371,475,467.74
  5. Step 5: Solve for x
    x = 1,371,475,467.74/43,317.32
  6. Step 6: Final answer
    x = 31,661.13

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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.