Home / 30,606.53-45,811.37-15,795.28

Finding the Fourth Proportional to 30,606.53, 45,811.37 and 15,795.28

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Solution

The fourth proportional to 30,606.53, 45,811.37 and 15,795.28 is: 23,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.53 : 45,811.37 = 15,795.28 : x
  2. Step 2: Convert to fraction form
    30,606.53/45,811.37 = 15,795.28/x
  3. Step 3: Cross multiply
    30,606.53x = 45,811.37 × 15,795.28
  4. Step 4: Simplify right side
    30,606.53x = 723,603,416.33
  5. Step 5: Solve for x
    x = 723,603,416.33/30,606.53
  6. Step 6: Final answer
    x = 23,642.13

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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.