Home / 39,731.36-54,830.30-22,502.34

Finding the Fourth Proportional to 39,731.36, 54,830.30 and 22,502.34

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Solution

The fourth proportional to 39,731.36, 54,830.30 and 22,502.34 is: 31,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,731.36 : 54,830.30 = 22,502.34 : x
  2. Step 2: Convert to fraction form
    39,731.36/54,830.30 = 22,502.34/x
  3. Step 3: Cross multiply
    39,731.36x = 54,830.30 × 22,502.34
  4. Step 4: Simplify right side
    39,731.36x = 1,233,810,052.90
  5. Step 5: Solve for x
    x = 1,233,810,052.90/39,731.36
  6. Step 6: Final answer
    x = 31,053.81

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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.