Home / 20,089.02-30,138.54-14,177.44

Finding the Fourth Proportional to 20,089.02, 30,138.54 and 14,177.44

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Solution

The fourth proportional to 20,089.02, 30,138.54 and 14,177.44 is: 21,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.02 : 30,138.54 = 14,177.44 : x
  2. Step 2: Convert to fraction form
    20,089.02/30,138.54 = 14,177.44/x
  3. Step 3: Cross multiply
    20,089.02x = 30,138.54 × 14,177.44
  4. Step 4: Simplify right side
    20,089.02x = 427,287,443.35
  5. Step 5: Solve for x
    x = 427,287,443.35/20,089.02
  6. Step 6: Final answer
    x = 21,269.70

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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.