Home / 46,690.90-64,454.32-31,629.31

Finding the Fourth Proportional to 46,690.90, 64,454.32 and 31,629.31

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Solution

The fourth proportional to 46,690.90, 64,454.32 and 31,629.31 is: 43,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,690.90 : 64,454.32 = 31,629.31 : x
  2. Step 2: Convert to fraction form
    46,690.90/64,454.32 = 31,629.31/x
  3. Step 3: Cross multiply
    46,690.90x = 64,454.32 × 31,629.31
  4. Step 4: Simplify right side
    46,690.90x = 2,038,645,187.70
  5. Step 5: Solve for x
    x = 2,038,645,187.70/46,690.90
  6. Step 6: Final answer
    x = 43,662.58

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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.