Home / 39,215.58-58,823.28-11,135.67

Finding the Fourth Proportional to 39,215.58, 58,823.28 and 11,135.67

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Solution

The fourth proportional to 39,215.58, 58,823.28 and 11,135.67 is: 16,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.58 : 58,823.28 = 11,135.67 : x
  2. Step 2: Convert to fraction form
    39,215.58/58,823.28 = 11,135.67/x
  3. Step 3: Cross multiply
    39,215.58x = 58,823.28 × 11,135.67
  4. Step 4: Simplify right side
    39,215.58x = 655,036,634.40
  5. Step 5: Solve for x
    x = 655,036,634.40/39,215.58
  6. Step 6: Final answer
    x = 16,703.48

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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.