Home / 38,976.01-53,786.82-21,071.02

Finding the Fourth Proportional to 38,976.01, 53,786.82 and 21,071.02

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Solution

The fourth proportional to 38,976.01, 53,786.82 and 21,071.02 is: 29,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.01 : 53,786.82 = 21,071.02 : x
  2. Step 2: Convert to fraction form
    38,976.01/53,786.82 = 21,071.02/x
  3. Step 3: Cross multiply
    38,976.01x = 53,786.82 × 21,071.02
  4. Step 4: Simplify right side
    38,976.01x = 1,133,343,159.96
  5. Step 5: Solve for x
    x = 1,133,343,159.96/38,976.01
  6. Step 6: Final answer
    x = 29,077.97

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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.