Home / 23,083.74-31,848.48-14,121.90

Finding the Fourth Proportional to 23,083.74, 31,848.48 and 14,121.90

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Solution

The fourth proportional to 23,083.74, 31,848.48 and 14,121.90 is: 19,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.74 : 31,848.48 = 14,121.90 : x
  2. Step 2: Convert to fraction form
    23,083.74/31,848.48 = 14,121.90/x
  3. Step 3: Cross multiply
    23,083.74x = 31,848.48 × 14,121.90
  4. Step 4: Simplify right side
    23,083.74x = 449,761,049.71
  5. Step 5: Solve for x
    x = 449,761,049.71/23,083.74
  6. Step 6: Final answer
    x = 19,483.89

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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.