Home / 51,225.75-76,873.32-17,946.09

Finding the Fourth Proportional to 51,225.75, 76,873.32 and 17,946.09

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Solution

The fourth proportional to 51,225.75, 76,873.32 and 17,946.09 is: 26,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.75 : 76,873.32 = 17,946.09 : x
  2. Step 2: Convert to fraction form
    51,225.75/76,873.32 = 17,946.09/x
  3. Step 3: Cross multiply
    51,225.75x = 76,873.32 × 17,946.09
  4. Step 4: Simplify right side
    51,225.75x = 1,379,575,519.32
  5. Step 5: Solve for x
    x = 1,379,575,519.32/51,225.75
  6. Step 6: Final answer
    x = 26,931.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.