Home / 30,359.21-45,538.81-13,716.14

Finding the Fourth Proportional to 30,359.21, 45,538.81 and 13,716.14

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Solution

The fourth proportional to 30,359.21, 45,538.81 and 13,716.14 is: 20,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.21 : 45,538.81 = 13,716.14 : x
  2. Step 2: Convert to fraction form
    30,359.21/45,538.81 = 13,716.14/x
  3. Step 3: Cross multiply
    30,359.21x = 45,538.81 × 13,716.14
  4. Step 4: Simplify right side
    30,359.21x = 624,616,431.41
  5. Step 5: Solve for x
    x = 624,616,431.41/30,359.21
  6. Step 6: Final answer
    x = 20,574.20

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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.