Home / 46,012.80-69,019.20-16,431.60

Finding the Fourth Proportional to 46,012.80, 69,019.20 and 16,431.60

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Solution

The fourth proportional to 46,012.80, 69,019.20 and 16,431.60 is: 24,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.80 : 69,019.20 = 16,431.60 : x
  2. Step 2: Convert to fraction form
    46,012.80/69,019.20 = 16,431.60/x
  3. Step 3: Cross multiply
    46,012.80x = 69,019.20 × 16,431.60
  4. Step 4: Simplify right side
    46,012.80x = 1,134,095,886.72
  5. Step 5: Solve for x
    x = 1,134,095,886.72/46,012.80
  6. Step 6: Final answer
    x = 24,647.40

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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.