Home / 36,374.40-54,493.20-20,744.64

Finding the Fourth Proportional to 36,374.40, 54,493.20 and 20,744.64

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Solution

The fourth proportional to 36,374.40, 54,493.20 and 20,744.64 is: 31,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,374.40 : 54,493.20 = 20,744.64 : x
  2. Step 2: Convert to fraction form
    36,374.40/54,493.20 = 20,744.64/x
  3. Step 3: Cross multiply
    36,374.40x = 54,493.20 × 20,744.64
  4. Step 4: Simplify right side
    36,374.40x = 1,130,441,816.45
  5. Step 5: Solve for x
    x = 1,130,441,816.45/36,374.40
  6. Step 6: Final answer
    x = 31,077.95

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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.