Home / 20,043.02-30,055.64-10,681.29

Finding the Fourth Proportional to 20,043.02, 30,055.64 and 10,681.29

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Solution

The fourth proportional to 20,043.02, 30,055.64 and 10,681.29 is: 16,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.02 : 30,055.64 = 10,681.29 : x
  2. Step 2: Convert to fraction form
    20,043.02/30,055.64 = 10,681.29/x
  3. Step 3: Cross multiply
    20,043.02x = 30,055.64 × 10,681.29
  4. Step 4: Simplify right side
    20,043.02x = 321,032,993.62
  5. Step 5: Solve for x
    x = 321,032,993.62/20,043.02
  6. Step 6: Final answer
    x = 16,017.20

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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.