Home / 53,919.40-80,879.10-46,402.60

Finding the Fourth Proportional to 53,919.40, 80,879.10 and 46,402.60

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Solution

The fourth proportional to 53,919.40, 80,879.10 and 46,402.60 is: 69,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.40 : 80,879.10 = 46,402.60 : x
  2. Step 2: Convert to fraction form
    53,919.40/80,879.10 = 46,402.60/x
  3. Step 3: Cross multiply
    53,919.40x = 80,879.10 × 46,402.60
  4. Step 4: Simplify right side
    53,919.40x = 3,753,000,525.66
  5. Step 5: Solve for x
    x = 3,753,000,525.66/53,919.40
  6. Step 6: Final answer
    x = 69,603.90

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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.