Home / 46,578.16-69,867.06-20,279.80

Finding the Fourth Proportional to 46,578.16, 69,867.06 and 20,279.80

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Solution

The fourth proportional to 46,578.16, 69,867.06 and 20,279.80 is: 30,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.16 : 69,867.06 = 20,279.80 : x
  2. Step 2: Convert to fraction form
    46,578.16/69,867.06 = 20,279.80/x
  3. Step 3: Cross multiply
    46,578.16x = 69,867.06 × 20,279.80
  4. Step 4: Simplify right side
    46,578.16x = 1,416,890,003.39
  5. Step 5: Solve for x
    x = 1,416,890,003.39/46,578.16
  6. Step 6: Final answer
    x = 30,419.62

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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.