Home / 45,917.04-68,810.76-19,612.56

Finding the Fourth Proportional to 45,917.04, 68,810.76 and 19,612.56

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Solution

The fourth proportional to 45,917.04, 68,810.76 and 19,612.56 is: 29,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.04 : 68,810.76 = 19,612.56 : x
  2. Step 2: Convert to fraction form
    45,917.04/68,810.76 = 19,612.56/x
  3. Step 3: Cross multiply
    45,917.04x = 68,810.76 × 19,612.56
  4. Step 4: Simplify right side
    45,917.04x = 1,349,555,159.15
  5. Step 5: Solve for x
    x = 1,349,555,159.15/45,917.04
  6. Step 6: Final answer
    x = 29,391.16

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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.