Home / 47,911.36-66,113.44-26,690.20

Finding the Fourth Proportional to 47,911.36, 66,113.44 and 26,690.20

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Solution

The fourth proportional to 47,911.36, 66,113.44 and 26,690.20 is: 36,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.36 : 66,113.44 = 26,690.20 : x
  2. Step 2: Convert to fraction form
    47,911.36/66,113.44 = 26,690.20/x
  3. Step 3: Cross multiply
    47,911.36x = 66,113.44 × 26,690.20
  4. Step 4: Simplify right side
    47,911.36x = 1,764,580,936.29
  5. Step 5: Solve for x
    x = 1,764,580,936.29/47,911.36
  6. Step 6: Final answer
    x = 36,830.12

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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.