Home / 46,287.11-69,408.75-21,319.77

Finding the Fourth Proportional to 46,287.11, 69,408.75 and 21,319.77

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Solution

The fourth proportional to 46,287.11, 69,408.75 and 21,319.77 is: 31,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,287.11 : 69,408.75 = 21,319.77 : x
  2. Step 2: Convert to fraction form
    46,287.11/69,408.75 = 21,319.77/x
  3. Step 3: Cross multiply
    46,287.11x = 69,408.75 × 21,319.77
  4. Step 4: Simplify right side
    46,287.11x = 1,479,778,585.99
  5. Step 5: Solve for x
    x = 1,479,778,585.99/46,287.11
  6. Step 6: Final answer
    x = 31,969.56

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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.