Home / 46,311.51-63,911.09-28,396.20

Finding the Fourth Proportional to 46,311.51, 63,911.09 and 28,396.20

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Solution

The fourth proportional to 46,311.51, 63,911.09 and 28,396.20 is: 39,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,311.51 : 63,911.09 = 28,396.20 : x
  2. Step 2: Convert to fraction form
    46,311.51/63,911.09 = 28,396.20/x
  3. Step 3: Cross multiply
    46,311.51x = 63,911.09 × 28,396.20
  4. Step 4: Simplify right side
    46,311.51x = 1,814,831,951.88
  5. Step 5: Solve for x
    x = 1,814,831,951.88/46,311.51
  6. Step 6: Final answer
    x = 39,187.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.