Home / 30,244.12-45,365.46-21,322.60

Finding the Fourth Proportional to 30,244.12, 45,365.46 and 21,322.60

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Solution

The fourth proportional to 30,244.12, 45,365.46 and 21,322.60 is: 31,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.12 : 45,365.46 = 21,322.60 : x
  2. Step 2: Convert to fraction form
    30,244.12/45,365.46 = 21,322.60/x
  3. Step 3: Cross multiply
    30,244.12x = 45,365.46 × 21,322.60
  4. Step 4: Simplify right side
    30,244.12x = 967,309,557.40
  5. Step 5: Solve for x
    x = 967,309,557.40/30,244.12
  6. Step 6: Final answer
    x = 31,983.39

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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.