Home / 30,121.64-45,136.69-23,855.48

Finding the Fourth Proportional to 30,121.64, 45,136.69 and 23,855.48

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Solution

The fourth proportional to 30,121.64, 45,136.69 and 23,855.48 is: 35,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.64 : 45,136.69 = 23,855.48 : x
  2. Step 2: Convert to fraction form
    30,121.64/45,136.69 = 23,855.48/x
  3. Step 3: Cross multiply
    30,121.64x = 45,136.69 × 23,855.48
  4. Step 4: Simplify right side
    30,121.64x = 1,076,757,060.60
  5. Step 5: Solve for x
    x = 1,076,757,060.60/30,121.64
  6. Step 6: Final answer
    x = 35,746.97

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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.