Home / 54,417.83-81,607.30-19,350.50

Finding the Fourth Proportional to 54,417.83, 81,607.30 and 19,350.50

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Solution

The fourth proportional to 54,417.83, 81,607.30 and 19,350.50 is: 29,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,417.83 : 81,607.30 = 19,350.50 : x
  2. Step 2: Convert to fraction form
    54,417.83/81,607.30 = 19,350.50/x
  3. Step 3: Cross multiply
    54,417.83x = 81,607.30 × 19,350.50
  4. Step 4: Simplify right side
    54,417.83x = 1,579,141,602.24
  5. Step 5: Solve for x
    x = 1,579,141,602.24/54,417.83
  6. Step 6: Final answer
    x = 29,018.83

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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.