Home / 31,207.08-43,064.91-17,782.67

Finding the Fourth Proportional to 31,207.08, 43,064.91 and 17,782.67

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Solution

The fourth proportional to 31,207.08, 43,064.91 and 17,782.67 is: 24,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.08 : 43,064.91 = 17,782.67 : x
  2. Step 2: Convert to fraction form
    31,207.08/43,064.91 = 17,782.67/x
  3. Step 3: Cross multiply
    31,207.08x = 43,064.91 × 17,782.67
  4. Step 4: Simplify right side
    31,207.08x = 765,809,083.11
  5. Step 5: Solve for x
    x = 765,809,083.11/31,207.08
  6. Step 6: Final answer
    x = 24,539.59

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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.