Home / 35,455.80-53,118.90-28,846.20

Finding the Fourth Proportional to 35,455.80, 53,118.90 and 28,846.20

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Solution

The fourth proportional to 35,455.80, 53,118.90 and 28,846.20 is: 43,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.80 : 53,118.90 = 28,846.20 : x
  2. Step 2: Convert to fraction form
    35,455.80/53,118.90 = 28,846.20/x
  3. Step 3: Cross multiply
    35,455.80x = 53,118.90 × 28,846.20
  4. Step 4: Simplify right side
    35,455.80x = 1,532,278,413.18
  5. Step 5: Solve for x
    x = 1,532,278,413.18/35,455.80
  6. Step 6: Final answer
    x = 43,216.58

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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.