Home / 36,213.55-54,307.01-12,515.02

Finding the Fourth Proportional to 36,213.55, 54,307.01 and 12,515.02

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Solution

The fourth proportional to 36,213.55, 54,307.01 and 12,515.02 is: 18,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.55 : 54,307.01 = 12,515.02 : x
  2. Step 2: Convert to fraction form
    36,213.55/54,307.01 = 12,515.02/x
  3. Step 3: Cross multiply
    36,213.55x = 54,307.01 × 12,515.02
  4. Step 4: Simplify right side
    36,213.55x = 679,653,211.81
  5. Step 5: Solve for x
    x = 679,653,211.81/36,213.55
  6. Step 6: Final answer
    x = 18,767.93

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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.