Home / 20,419.02-30,579.93-14,185.26

Finding the Fourth Proportional to 20,419.02, 30,579.93 and 14,185.26

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Solution

The fourth proportional to 20,419.02, 30,579.93 and 14,185.26 is: 21,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419.02 : 30,579.93 = 14,185.26 : x
  2. Step 2: Convert to fraction form
    20,419.02/30,579.93 = 14,185.26/x
  3. Step 3: Cross multiply
    20,419.02x = 30,579.93 × 14,185.26
  4. Step 4: Simplify right side
    20,419.02x = 433,784,257.83
  5. Step 5: Solve for x
    x = 433,784,257.83/20,419.02
  6. Step 6: Final answer
    x = 21,244.13

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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.