Home / 39,215.54-58,799.62-15,814.64

Finding the Fourth Proportional to 39,215.54, 58,799.62 and 15,814.64

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Solution

The fourth proportional to 39,215.54, 58,799.62 and 15,814.64 is: 23,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.54 : 58,799.62 = 15,814.64 : x
  2. Step 2: Convert to fraction form
    39,215.54/58,799.62 = 15,814.64/x
  3. Step 3: Cross multiply
    39,215.54x = 58,799.62 × 15,814.64
  4. Step 4: Simplify right side
    39,215.54x = 929,894,989.20
  5. Step 5: Solve for x
    x = 929,894,989.20/39,215.54
  6. Step 6: Final answer
    x = 23,712.41

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1.5x scale

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.