Home / 51,048.09-76,586.72-21,450.69

Finding the Fourth Proportional to 51,048.09, 76,586.72 and 21,450.69

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Solution

The fourth proportional to 51,048.09, 76,586.72 and 21,450.69 is: 32,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.09 : 76,586.72 = 21,450.69 : x
  2. Step 2: Convert to fraction form
    51,048.09/76,586.72 = 21,450.69/x
  3. Step 3: Cross multiply
    51,048.09x = 76,586.72 × 21,450.69
  4. Step 4: Simplify right side
    51,048.09x = 1,642,837,881.58
  5. Step 5: Solve for x
    x = 1,642,837,881.58/51,048.09
  6. Step 6: Final answer
    x = 32,182.16

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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.