Home / 45,901.78-68,795.28-19,575.82

Finding the Fourth Proportional to 45,901.78, 68,795.28 and 19,575.82

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Solution

The fourth proportional to 45,901.78, 68,795.28 and 19,575.82 is: 29,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901.78 : 68,795.28 = 19,575.82 : x
  2. Step 2: Convert to fraction form
    45,901.78/68,795.28 = 19,575.82/x
  3. Step 3: Cross multiply
    45,901.78x = 68,795.28 × 19,575.82
  4. Step 4: Simplify right side
    45,901.78x = 1,346,724,018.13
  5. Step 5: Solve for x
    x = 1,346,724,018.13/45,901.78
  6. Step 6: Final answer
    x = 29,339.25

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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.