Home / 39,662.49-54,730.76-22,663.36

Finding the Fourth Proportional to 39,662.49, 54,730.76 and 22,663.36

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Solution

The fourth proportional to 39,662.49, 54,730.76 and 22,663.36 is: 31,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.49 : 54,730.76 = 22,663.36 : x
  2. Step 2: Convert to fraction form
    39,662.49/54,730.76 = 22,663.36/x
  3. Step 3: Cross multiply
    39,662.49x = 54,730.76 × 22,663.36
  4. Step 4: Simplify right side
    39,662.49x = 1,240,382,872.05
  5. Step 5: Solve for x
    x = 1,240,382,872.05/39,662.49
  6. Step 6: Final answer
    x = 31,273.45

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1.5x scale

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.