Home / 36,119.04-54,136.98-13,921.32

Finding the Fourth Proportional to 36,119.04, 54,136.98 and 13,921.32

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Solution

The fourth proportional to 36,119.04, 54,136.98 and 13,921.32 is: 20,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.04 : 54,136.98 = 13,921.32 : x
  2. Step 2: Convert to fraction form
    36,119.04/54,136.98 = 13,921.32/x
  3. Step 3: Cross multiply
    36,119.04x = 54,136.98 × 13,921.32
  4. Step 4: Simplify right side
    36,119.04x = 753,658,222.41
  5. Step 5: Solve for x
    x = 753,658,222.41/36,119.04
  6. Step 6: Final answer
    x = 20,865.95

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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.