Home / 36,189.02-49,942.89-20,278.59

Finding the Fourth Proportional to 36,189.02, 49,942.89 and 20,278.59

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Solution

The fourth proportional to 36,189.02, 49,942.89 and 20,278.59 is: 27,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.02 : 49,942.89 = 20,278.59 : x
  2. Step 2: Convert to fraction form
    36,189.02/49,942.89 = 20,278.59/x
  3. Step 3: Cross multiply
    36,189.02x = 49,942.89 × 20,278.59
  4. Step 4: Simplify right side
    36,189.02x = 1,012,771,389.73
  5. Step 5: Solve for x
    x = 1,012,771,389.73/36,189.02
  6. Step 6: Final answer
    x = 27,985.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.