Home / 46,138.60-63,636.42-39,776.20

Finding the Fourth Proportional to 46,138.60, 63,636.42 and 39,776.20

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Solution

The fourth proportional to 46,138.60, 63,636.42 and 39,776.20 is: 54,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,138.60 : 63,636.42 = 39,776.20 : x
  2. Step 2: Convert to fraction form
    46,138.60/63,636.42 = 39,776.20/x
  3. Step 3: Cross multiply
    46,138.60x = 63,636.42 × 39,776.20
  4. Step 4: Simplify right side
    46,138.60x = 2,531,214,969.20
  5. Step 5: Solve for x
    x = 2,531,214,969.20/46,138.60
  6. Step 6: Final answer
    x = 54,861.11

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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.