Home / 30,719.13-46,086-9,942.63

Finding the Fourth Proportional to 30,719.13, 46,086 and 9,942.63

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Solution

The fourth proportional to 30,719.13, 46,086 and 9,942.63 is: 14,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.13 : 46,086 = 9,942.63 : x
  2. Step 2: Convert to fraction form
    30,719.13/46,086 = 9,942.63/x
  3. Step 3: Cross multiply
    30,719.13x = 46,086 × 9,942.63
  4. Step 4: Simplify right side
    30,719.13x = 458,216,046.18
  5. Step 5: Solve for x
    x = 458,216,046.18/30,719.13
  6. Step 6: Final answer
    x = 14,916.31

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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.