Home / 51,007.44-70,368.48-31,874.20

Finding the Fourth Proportional to 51,007.44, 70,368.48 and 31,874.20

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Solution

The fourth proportional to 51,007.44, 70,368.48 and 31,874.20 is: 43,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.44 : 70,368.48 = 31,874.20 : x
  2. Step 2: Convert to fraction form
    51,007.44/70,368.48 = 31,874.20/x
  3. Step 3: Cross multiply
    51,007.44x = 70,368.48 × 31,874.20
  4. Step 4: Simplify right side
    51,007.44x = 2,242,939,005.22
  5. Step 5: Solve for x
    x = 2,242,939,005.22/51,007.44
  6. Step 6: Final answer
    x = 43,972.78

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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.