Home / 54,585.36-81,877.58-15,142.47

Finding the Fourth Proportional to 54,585.36, 81,877.58 and 15,142.47

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Solution

The fourth proportional to 54,585.36, 81,877.58 and 15,142.47 is: 22,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.36 : 81,877.58 = 15,142.47 : x
  2. Step 2: Convert to fraction form
    54,585.36/81,877.58 = 15,142.47/x
  3. Step 3: Cross multiply
    54,585.36x = 81,877.58 × 15,142.47
  4. Step 4: Simplify right side
    54,585.36x = 1,239,828,692.49
  5. Step 5: Solve for x
    x = 1,239,828,692.49/54,585.36
  6. Step 6: Final answer
    x = 22,713.58

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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.