Home / 45,460.53-68,192.16-21,761.65

Finding the Fourth Proportional to 45,460.53, 68,192.16 and 21,761.65

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Solution

The fourth proportional to 45,460.53, 68,192.16 and 21,761.65 is: 32,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.53 : 68,192.16 = 21,761.65 : x
  2. Step 2: Convert to fraction form
    45,460.53/68,192.16 = 21,761.65/x
  3. Step 3: Cross multiply
    45,460.53x = 68,192.16 × 21,761.65
  4. Step 4: Simplify right side
    45,460.53x = 1,483,973,918.66
  5. Step 5: Solve for x
    x = 1,483,973,918.66/45,460.53
  6. Step 6: Final answer
    x = 32,643.13

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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.