Home / 39,643.56-54,699.84-26,906.58

Finding the Fourth Proportional to 39,643.56, 54,699.84 and 26,906.58

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Solution

The fourth proportional to 39,643.56, 54,699.84 and 26,906.58 is: 37,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.56 : 54,699.84 = 26,906.58 : x
  2. Step 2: Convert to fraction form
    39,643.56/54,699.84 = 26,906.58/x
  3. Step 3: Cross multiply
    39,643.56x = 54,699.84 × 26,906.58
  4. Step 4: Simplify right side
    39,643.56x = 1,471,785,620.95
  5. Step 5: Solve for x
    x = 1,471,785,620.95/39,643.56
  6. Step 6: Final answer
    x = 37,125.47

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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.