Home / 53,431.90-73,738.20-29,558.17

Finding the Fourth Proportional to 53,431.90, 73,738.20 and 29,558.17

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Solution

The fourth proportional to 53,431.90, 73,738.20 and 29,558.17 is: 40,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.90 : 73,738.20 = 29,558.17 : x
  2. Step 2: Convert to fraction form
    53,431.90/73,738.20 = 29,558.17/x
  3. Step 3: Cross multiply
    53,431.90x = 73,738.20 × 29,558.17
  4. Step 4: Simplify right side
    53,431.90x = 2,179,565,808.51
  5. Step 5: Solve for x
    x = 2,179,565,808.51/53,431.90
  6. Step 6: Final answer
    x = 40,791.47

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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.