Home / 30,386.18-41,933.14-17,811.02

Finding the Fourth Proportional to 30,386.18, 41,933.14 and 17,811.02

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Solution

The fourth proportional to 30,386.18, 41,933.14 and 17,811.02 is: 24,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.18 : 41,933.14 = 17,811.02 : x
  2. Step 2: Convert to fraction form
    30,386.18/41,933.14 = 17,811.02/x
  3. Step 3: Cross multiply
    30,386.18x = 41,933.14 × 17,811.02
  4. Step 4: Simplify right side
    30,386.18x = 746,871,995.20
  5. Step 5: Solve for x
    x = 746,871,995.20/30,386.18
  6. Step 6: Final answer
    x = 24,579.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.