Home / 39,739.48-54,840.31-22,743.63

Finding the Fourth Proportional to 39,739.48, 54,840.31 and 22,743.63

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Solution

The fourth proportional to 39,739.48, 54,840.31 and 22,743.63 is: 31,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.48 : 54,840.31 = 22,743.63 : x
  2. Step 2: Convert to fraction form
    39,739.48/54,840.31 = 22,743.63/x
  3. Step 3: Cross multiply
    39,739.48x = 54,840.31 × 22,743.63
  4. Step 4: Simplify right side
    39,739.48x = 1,247,267,662.87
  5. Step 5: Solve for x
    x = 1,247,267,662.87/39,739.48
  6. Step 6: Final answer
    x = 31,386.11

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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.