Home / 54,952.30-82,420.35-15,513.40

Finding the Fourth Proportional to 54,952.30, 82,420.35 and 15,513.40

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Solution

The fourth proportional to 54,952.30, 82,420.35 and 15,513.40 is: 23,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,952.30 : 82,420.35 = 15,513.40 : x
  2. Step 2: Convert to fraction form
    54,952.30/82,420.35 = 15,513.40/x
  3. Step 3: Cross multiply
    54,952.30x = 82,420.35 × 15,513.40
  4. Step 4: Simplify right side
    54,952.30x = 1,278,619,857.69
  5. Step 5: Solve for x
    x = 1,278,619,857.69/54,952.30
  6. Step 6: Final answer
    x = 23,267.81

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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.