Home / 39,607.97-54,659.00-21,703.65

Finding the Fourth Proportional to 39,607.97, 54,659.00 and 21,703.65

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Solution

The fourth proportional to 39,607.97, 54,659.00 and 21,703.65 is: 29,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.97 : 54,659.00 = 21,703.65 : x
  2. Step 2: Convert to fraction form
    39,607.97/54,659.00 = 21,703.65/x
  3. Step 3: Cross multiply
    39,607.97x = 54,659.00 × 21,703.65
  4. Step 4: Simplify right side
    39,607.97x = 1,186,299,696.83
  5. Step 5: Solve for x
    x = 1,186,299,696.83/39,607.97
  6. Step 6: Final answer
    x = 29,951.03

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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.