Home / 38,704.46-53,412.74-21,712.47

Finding the Fourth Proportional to 38,704.46, 53,412.74 and 21,712.47

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Solution

The fourth proportional to 38,704.46, 53,412.74 and 21,712.47 is: 29,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.46 : 53,412.74 = 21,712.47 : x
  2. Step 2: Convert to fraction form
    38,704.46/53,412.74 = 21,712.47/x
  3. Step 3: Cross multiply
    38,704.46x = 53,412.74 × 21,712.47
  4. Step 4: Simplify right side
    38,704.46x = 1,159,722,406.31
  5. Step 5: Solve for x
    x = 1,159,722,406.31/38,704.46
  6. Step 6: Final answer
    x = 29,963.54

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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.