Home / 65,676.08-98,528.54-21,307.32

Finding the Fourth Proportional to 65,676.08, 98,528.54 and 21,307.32

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Solution

The fourth proportional to 65,676.08, 98,528.54 and 21,307.32 is: 31,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,676.08 : 98,528.54 = 21,307.32 : x
  2. Step 2: Convert to fraction form
    65,676.08/98,528.54 = 21,307.32/x
  3. Step 3: Cross multiply
    65,676.08x = 98,528.54 × 21,307.32
  4. Step 4: Simplify right side
    65,676.08x = 2,099,379,024.38
  5. Step 5: Solve for x
    x = 2,099,379,024.38/65,676.08
  6. Step 6: Final answer
    x = 31,965.66

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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.