Home / 54,416.13-81,607.78-19,353.66

Finding the Fourth Proportional to 54,416.13, 81,607.78 and 19,353.66

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Solution

The fourth proportional to 54,416.13, 81,607.78 and 19,353.66 is: 29,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.13 : 81,607.78 = 19,353.66 : x
  2. Step 2: Convert to fraction form
    54,416.13/81,607.78 = 19,353.66/x
  3. Step 3: Cross multiply
    54,416.13x = 81,607.78 × 19,353.66
  4. Step 4: Simplify right side
    54,416.13x = 1,579,408,945.64
  5. Step 5: Solve for x
    x = 1,579,408,945.64/54,416.13
  6. Step 6: Final answer
    x = 29,024.65

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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.