Home / 30,368.10-45,564.75-13,716.66

Finding the Fourth Proportional to 30,368.10, 45,564.75 and 13,716.66

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Solution

The fourth proportional to 30,368.10, 45,564.75 and 13,716.66 is: 20,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.10 : 45,564.75 = 13,716.66 : x
  2. Step 2: Convert to fraction form
    30,368.10/45,564.75 = 13,716.66/x
  3. Step 3: Cross multiply
    30,368.10x = 45,564.75 × 13,716.66
  4. Step 4: Simplify right side
    30,368.10x = 624,996,183.74
  5. Step 5: Solve for x
    x = 624,996,183.74/30,368.10
  6. Step 6: Final answer
    x = 20,580.68

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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.