Home / 30,395.05-45,608.62-21,567.41

Finding the Fourth Proportional to 30,395.05, 45,608.62 and 21,567.41

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Solution

The fourth proportional to 30,395.05, 45,608.62 and 21,567.41 is: 32,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.05 : 45,608.62 = 21,567.41 : x
  2. Step 2: Convert to fraction form
    30,395.05/45,608.62 = 21,567.41/x
  3. Step 3: Cross multiply
    30,395.05x = 45,608.62 × 21,567.41
  4. Step 4: Simplify right side
    30,395.05x = 983,659,993.13
  5. Step 5: Solve for x
    x = 983,659,993.13/30,395.05
  6. Step 6: Final answer
    x = 32,362.51

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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.