Home / 38,276.31-52,822.46-21,047.79

Finding the Fourth Proportional to 38,276.31, 52,822.46 and 21,047.79

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Solution

The fourth proportional to 38,276.31, 52,822.46 and 21,047.79 is: 29,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.31 : 52,822.46 = 21,047.79 : x
  2. Step 2: Convert to fraction form
    38,276.31/52,822.46 = 21,047.79/x
  3. Step 3: Cross multiply
    38,276.31x = 52,822.46 × 21,047.79
  4. Step 4: Simplify right side
    38,276.31x = 1,111,796,045.36
  5. Step 5: Solve for x
    x = 1,111,796,045.36/38,276.31
  6. Step 6: Final answer
    x = 29,046.58

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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.