Home / 30,490.60-45,716.38-13,833.32

Finding the Fourth Proportional to 30,490.60, 45,716.38 and 13,833.32

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Solution

The fourth proportional to 30,490.60, 45,716.38 and 13,833.32 is: 20,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.60 : 45,716.38 = 13,833.32 : x
  2. Step 2: Convert to fraction form
    30,490.60/45,716.38 = 13,833.32/x
  3. Step 3: Cross multiply
    30,490.60x = 45,716.38 × 13,833.32
  4. Step 4: Simplify right side
    30,490.60x = 632,409,313.78
  5. Step 5: Solve for x
    x = 632,409,313.78/30,490.60
  6. Step 6: Final answer
    x = 20,741.12

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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.