Home / 39,911.58-59,867.91-19,130.22

Finding the Fourth Proportional to 39,911.58, 59,867.91 and 19,130.22

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Solution

The fourth proportional to 39,911.58, 59,867.91 and 19,130.22 is: 28,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.58 : 59,867.91 = 19,130.22 : x
  2. Step 2: Convert to fraction form
    39,911.58/59,867.91 = 19,130.22/x
  3. Step 3: Cross multiply
    39,911.58x = 59,867.91 × 19,130.22
  4. Step 4: Simplify right side
    39,911.58x = 1,145,286,289.24
  5. Step 5: Solve for x
    x = 1,145,286,289.24/39,911.58
  6. Step 6: Final answer
    x = 28,695.59

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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.