Home / 30,140.29-45,219.23-13,496.43

Finding the Fourth Proportional to 30,140.29, 45,219.23 and 13,496.43

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Solution

The fourth proportional to 30,140.29, 45,219.23 and 13,496.43 is: 20,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.29 : 45,219.23 = 13,496.43 : x
  2. Step 2: Convert to fraction form
    30,140.29/45,219.23 = 13,496.43/x
  3. Step 3: Cross multiply
    30,140.29x = 45,219.23 × 13,496.43
  4. Step 4: Simplify right side
    30,140.29x = 610,298,172.35
  5. Step 5: Solve for x
    x = 610,298,172.35/30,140.29
  6. Step 6: Final answer
    x = 20,248.58

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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.