Home / 39,624.36-54,681.30-22,857

Finding the Fourth Proportional to 39,624.36, 54,681.30 and 22,857

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Solution

The fourth proportional to 39,624.36, 54,681.30 and 22,857 is: 31,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,624.36 : 54,681.30 = 22,857 : x
  2. Step 2: Convert to fraction form
    39,624.36/54,681.30 = 22,857/x
  3. Step 3: Cross multiply
    39,624.36x = 54,681.30 × 22,857
  4. Step 4: Simplify right side
    39,624.36x = 1,249,850,474.10
  5. Step 5: Solve for x
    x = 1,249,850,474.10/39,624.36
  6. Step 6: Final answer
    x = 31,542.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.