Home / 36,471.60-54,707.40-20,878.24

Finding the Fourth Proportional to 36,471.60, 54,707.40 and 20,878.24

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Solution

The fourth proportional to 36,471.60, 54,707.40 and 20,878.24 is: 31,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.60 : 54,707.40 = 20,878.24 : x
  2. Step 2: Convert to fraction form
    36,471.60/54,707.40 = 20,878.24/x
  3. Step 3: Cross multiply
    36,471.60x = 54,707.40 × 20,878.24
  4. Step 4: Simplify right side
    36,471.60x = 1,142,194,226.98
  5. Step 5: Solve for x
    x = 1,142,194,226.98/36,471.60
  6. Step 6: Final answer
    x = 31,317.36

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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.