Home / 30,015.68-45,028.80-11,546.24

Finding the Fourth Proportional to 30,015.68, 45,028.80 and 11,546.24

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Solution

The fourth proportional to 30,015.68, 45,028.80 and 11,546.24 is: 17,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.68 : 45,028.80 = 11,546.24 : x
  2. Step 2: Convert to fraction form
    30,015.68/45,028.80 = 11,546.24/x
  3. Step 3: Cross multiply
    30,015.68x = 45,028.80 × 11,546.24
  4. Step 4: Simplify right side
    30,015.68x = 519,913,331.71
  5. Step 5: Solve for x
    x = 519,913,331.71/30,015.68
  6. Step 6: Final answer
    x = 17,321.39

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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.