Home / 36,447.04-54,670.56-20,853.82

Finding the Fourth Proportional to 36,447.04, 54,670.56 and 20,853.82

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Solution

The fourth proportional to 36,447.04, 54,670.56 and 20,853.82 is: 31,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.04 : 54,670.56 = 20,853.82 : x
  2. Step 2: Convert to fraction form
    36,447.04/54,670.56 = 20,853.82/x
  3. Step 3: Cross multiply
    36,447.04x = 54,670.56 × 20,853.82
  4. Step 4: Simplify right side
    36,447.04x = 1,140,090,017.54
  5. Step 5: Solve for x
    x = 1,140,090,017.54/36,447.04
  6. Step 6: Final answer
    x = 31,280.73

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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.