Home / 64,428.24-96,645.60-22,310.40

Finding the Fourth Proportional to 64,428.24, 96,645.60 and 22,310.40

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Solution

The fourth proportional to 64,428.24, 96,645.60 and 22,310.40 is: 33,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.24 : 96,645.60 = 22,310.40 : x
  2. Step 2: Convert to fraction form
    64,428.24/96,645.60 = 22,310.40/x
  3. Step 3: Cross multiply
    64,428.24x = 96,645.60 × 22,310.40
  4. Step 4: Simplify right side
    64,428.24x = 2,156,201,994.24
  5. Step 5: Solve for x
    x = 2,156,201,994.24/64,428.24
  6. Step 6: Final answer
    x = 33,466.72

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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.