Home / 65,619.41-98,444.79-21,246.21

Finding the Fourth Proportional to 65,619.41, 98,444.79 and 21,246.21

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Solution

The fourth proportional to 65,619.41, 98,444.79 and 21,246.21 is: 31,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619.41 : 98,444.79 = 21,246.21 : x
  2. Step 2: Convert to fraction form
    65,619.41/98,444.79 = 21,246.21/x
  3. Step 3: Cross multiply
    65,619.41x = 98,444.79 × 21,246.21
  4. Step 4: Simplify right side
    65,619.41x = 2,091,578,681.75
  5. Step 5: Solve for x
    x = 2,091,578,681.75/65,619.41
  6. Step 6: Final answer
    x = 31,874.39

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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.