Home / 65,677.09-98,530.04-21,308.32

Finding the Fourth Proportional to 65,677.09, 98,530.04 and 21,308.32

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Solution

The fourth proportional to 65,677.09, 98,530.04 and 21,308.32 is: 31,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,677.09 : 98,530.04 = 21,308.32 : x
  2. Step 2: Convert to fraction form
    65,677.09/98,530.04 = 21,308.32/x
  3. Step 3: Cross multiply
    65,677.09x = 98,530.04 × 21,308.32
  4. Step 4: Simplify right side
    65,677.09x = 2,099,509,515.39
  5. Step 5: Solve for x
    x = 2,099,509,515.39/65,677.09
  6. Step 6: Final answer
    x = 31,967.15

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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.