Home / 46,508.90-69,761.78-20,213.64

Finding the Fourth Proportional to 46,508.90, 69,761.78 and 20,213.64

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Solution

The fourth proportional to 46,508.90, 69,761.78 and 20,213.64 is: 30,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,508.90 : 69,761.78 = 20,213.64 : x
  2. Step 2: Convert to fraction form
    46,508.90/69,761.78 = 20,213.64/x
  3. Step 3: Cross multiply
    46,508.90x = 69,761.78 × 20,213.64
  4. Step 4: Simplify right side
    46,508.90x = 1,410,139,405.61
  5. Step 5: Solve for x
    x = 1,410,139,405.61/46,508.90
  6. Step 6: Final answer
    x = 30,319.78

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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.