Home / 20,180.02-30,272.26-5,389.02

Finding the Fourth Proportional to 20,180.02, 30,272.26 and 5,389.02

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Solution

The fourth proportional to 20,180.02, 30,272.26 and 5,389.02 is: 8,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.02 : 30,272.26 = 5,389.02 : x
  2. Step 2: Convert to fraction form
    20,180.02/30,272.26 = 5,389.02/x
  3. Step 3: Cross multiply
    20,180.02x = 30,272.26 × 5,389.02
  4. Step 4: Simplify right side
    20,180.02x = 163,137,814.59
  5. Step 5: Solve for x
    x = 163,137,814.59/20,180.02
  6. Step 6: Final answer
    x = 8,084.13

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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.