Home / 62,749.58-94,128.45-20,618.39

Finding the Fourth Proportional to 62,749.58, 94,128.45 and 20,618.39

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Solution

The fourth proportional to 62,749.58, 94,128.45 and 20,618.39 is: 30,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.58 : 94,128.45 = 20,618.39 : x
  2. Step 2: Convert to fraction form
    62,749.58/94,128.45 = 20,618.39/x
  3. Step 3: Cross multiply
    62,749.58x = 94,128.45 × 20,618.39
  4. Step 4: Simplify right side
    62,749.58x = 1,940,776,621.55
  5. Step 5: Solve for x
    x = 1,940,776,621.55/62,749.58
  6. Step 6: Final answer
    x = 30,928.92

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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.