Home / 64,310.40-96,433.20-38,023.20

Finding the Fourth Proportional to 64,310.40, 96,433.20 and 38,023.20

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Solution

The fourth proportional to 64,310.40, 96,433.20 and 38,023.20 is: 57,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.40 : 96,433.20 = 38,023.20 : x
  2. Step 2: Convert to fraction form
    64,310.40/96,433.20 = 38,023.20/x
  3. Step 3: Cross multiply
    64,310.40x = 96,433.20 × 38,023.20
  4. Step 4: Simplify right side
    64,310.40x = 3,666,698,850.24
  5. Step 5: Solve for x
    x = 3,666,698,850.24/64,310.40
  6. Step 6: Final answer
    x = 57,015.64

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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.