Home / 31,501.71-47,261.09-11,782.26

Finding the Fourth Proportional to 31,501.71, 47,261.09 and 11,782.26

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Solution

The fourth proportional to 31,501.71, 47,261.09 and 11,782.26 is: 17,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.71 : 47,261.09 = 11,782.26 : x
  2. Step 2: Convert to fraction form
    31,501.71/47,261.09 = 11,782.26/x
  3. Step 3: Cross multiply
    31,501.71x = 47,261.09 × 11,782.26
  4. Step 4: Simplify right side
    31,501.71x = 556,842,450.26
  5. Step 5: Solve for x
    x = 556,842,450.26/31,501.71
  6. Step 6: Final answer
    x = 17,676.58

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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.