Home / 38,276.48-52,822.14-21,049.56

Finding the Fourth Proportional to 38,276.48, 52,822.14 and 21,049.56

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Solution

The fourth proportional to 38,276.48, 52,822.14 and 21,049.56 is: 29,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.48 : 52,822.14 = 21,049.56 : x
  2. Step 2: Convert to fraction form
    38,276.48/52,822.14 = 21,049.56/x
  3. Step 3: Cross multiply
    38,276.48x = 52,822.14 × 21,049.56
  4. Step 4: Simplify right side
    38,276.48x = 1,111,882,805.26
  5. Step 5: Solve for x
    x = 1,111,882,805.26/38,276.48
  6. Step 6: Final answer
    x = 29,048.72

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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.