Home / 39,438.66-54,425.37-22,670.66

Finding the Fourth Proportional to 39,438.66, 54,425.37 and 22,670.66

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Solution

The fourth proportional to 39,438.66, 54,425.37 and 22,670.66 is: 31,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.66 : 54,425.37 = 22,670.66 : x
  2. Step 2: Convert to fraction form
    39,438.66/54,425.37 = 22,670.66/x
  3. Step 3: Cross multiply
    39,438.66x = 54,425.37 × 22,670.66
  4. Step 4: Simplify right side
    39,438.66x = 1,233,859,058.64
  5. Step 5: Solve for x
    x = 1,233,859,058.64/39,438.66
  6. Step 6: Final answer
    x = 31,285.52

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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.