Home / 30,347.29-45,535.38-13,712.41

Finding the Fourth Proportional to 30,347.29, 45,535.38 and 13,712.41

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Solution

The fourth proportional to 30,347.29, 45,535.38 and 13,712.41 is: 20,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.29 : 45,535.38 = 13,712.41 : x
  2. Step 2: Convert to fraction form
    30,347.29/45,535.38 = 13,712.41/x
  3. Step 3: Cross multiply
    30,347.29x = 45,535.38 × 13,712.41
  4. Step 4: Simplify right side
    30,347.29x = 624,399,800.07
  5. Step 5: Solve for x
    x = 624,399,800.07/30,347.29
  6. Step 6: Final answer
    x = 20,575.14

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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.