Home / 54,420.08-81,610.67-19,352.75

Finding the Fourth Proportional to 54,420.08, 81,610.67 and 19,352.75

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Solution

The fourth proportional to 54,420.08, 81,610.67 and 19,352.75 is: 29,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,420.08 : 81,610.67 = 19,352.75 : x
  2. Step 2: Convert to fraction form
    54,420.08/81,610.67 = 19,352.75/x
  3. Step 3: Cross multiply
    54,420.08x = 81,610.67 × 19,352.75
  4. Step 4: Simplify right side
    54,420.08x = 1,579,390,534.17
  5. Step 5: Solve for x
    x = 1,579,390,534.17/54,420.08
  6. Step 6: Final answer
    x = 29,022.20

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1.5x scale

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.