Home / 37,895.78-52,296.72-21,985.04

Finding the Fourth Proportional to 37,895.78, 52,296.72 and 21,985.04

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Solution

The fourth proportional to 37,895.78, 52,296.72 and 21,985.04 is: 30,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,895.78 : 52,296.72 = 21,985.04 : x
  2. Step 2: Convert to fraction form
    37,895.78/52,296.72 = 21,985.04/x
  3. Step 3: Cross multiply
    37,895.78x = 52,296.72 × 21,985.04
  4. Step 4: Simplify right side
    37,895.78x = 1,149,745,481.07
  5. Step 5: Solve for x
    x = 1,149,745,481.07/37,895.78
  6. Step 6: Final answer
    x = 30,339.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.