Home / 45,699.36-63,046.56-29,778

Finding the Fourth Proportional to 45,699.36, 63,046.56 and 29,778

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Solution

The fourth proportional to 45,699.36, 63,046.56 and 29,778 is: 41,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.36 : 63,046.56 = 29,778 : x
  2. Step 2: Convert to fraction form
    45,699.36/63,046.56 = 29,778/x
  3. Step 3: Cross multiply
    45,699.36x = 63,046.56 × 29,778
  4. Step 4: Simplify right side
    45,699.36x = 1,877,400,463.68
  5. Step 5: Solve for x
    x = 1,877,400,463.68/45,699.36
  6. Step 6: Final answer
    x = 41,081.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.