Home / 39,659.52-54,733.66-21,758.02

Finding the Fourth Proportional to 39,659.52, 54,733.66 and 21,758.02

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Solution

The fourth proportional to 39,659.52, 54,733.66 and 21,758.02 is: 30,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.52 : 54,733.66 = 21,758.02 : x
  2. Step 2: Convert to fraction form
    39,659.52/54,733.66 = 21,758.02/x
  3. Step 3: Cross multiply
    39,659.52x = 54,733.66 × 21,758.02
  4. Step 4: Simplify right side
    39,659.52x = 1,190,896,068.95
  5. Step 5: Solve for x
    x = 1,190,896,068.95/39,659.52
  6. Step 6: Final answer
    x = 30,028.00

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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.