Home / 36,609.85-54,852.08-19,981.55

Finding the Fourth Proportional to 36,609.85, 54,852.08 and 19,981.55

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Solution

The fourth proportional to 36,609.85, 54,852.08 and 19,981.55 is: 29,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.85 : 54,852.08 = 19,981.55 : x
  2. Step 2: Convert to fraction form
    36,609.85/54,852.08 = 19,981.55/x
  3. Step 3: Cross multiply
    36,609.85x = 54,852.08 × 19,981.55
  4. Step 4: Simplify right side
    36,609.85x = 1,096,029,307.80
  5. Step 5: Solve for x
    x = 1,096,029,307.80/36,609.85
  6. Step 6: Final answer
    x = 29,938.10

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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.