Home / 30,395.44-45,542.08-21,586.64

Finding the Fourth Proportional to 30,395.44, 45,542.08 and 21,586.64

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Solution

The fourth proportional to 30,395.44, 45,542.08 and 21,586.64 is: 32,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.44 : 45,542.08 = 21,586.64 : x
  2. Step 2: Convert to fraction form
    30,395.44/45,542.08 = 21,586.64/x
  3. Step 3: Cross multiply
    30,395.44x = 45,542.08 × 21,586.64
  4. Step 4: Simplify right side
    30,395.44x = 983,100,485.81
  5. Step 5: Solve for x
    x = 983,100,485.81/30,395.44
  6. Step 6: Final answer
    x = 32,343.68

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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.