Home / 55,078.02-82,621.89-20,008.26

Finding the Fourth Proportional to 55,078.02, 82,621.89 and 20,008.26

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Solution

The fourth proportional to 55,078.02, 82,621.89 and 20,008.26 is: 30,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.02 : 82,621.89 = 20,008.26 : x
  2. Step 2: Convert to fraction form
    55,078.02/82,621.89 = 20,008.26/x
  3. Step 3: Cross multiply
    55,078.02x = 82,621.89 × 20,008.26
  4. Step 4: Simplify right side
    55,078.02x = 1,653,120,256.81
  5. Step 5: Solve for x
    x = 1,653,120,256.81/55,078.02
  6. Step 6: Final answer
    x = 30,014.16

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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.