Home / 65,626.83-98,443.62-21,257.19

Finding the Fourth Proportional to 65,626.83, 98,443.62 and 21,257.19

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Solution

The fourth proportional to 65,626.83, 98,443.62 and 21,257.19 is: 31,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,626.83 : 98,443.62 = 21,257.19 : x
  2. Step 2: Convert to fraction form
    65,626.83/98,443.62 = 21,257.19/x
  3. Step 3: Cross multiply
    65,626.83x = 98,443.62 × 21,257.19
  4. Step 4: Simplify right side
    65,626.83x = 2,092,634,734.63
  5. Step 5: Solve for x
    x = 2,092,634,734.63/65,626.83
  6. Step 6: Final answer
    x = 31,886.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.