Home / 39,446.91-59,148.48-13,137.30

Finding the Fourth Proportional to 39,446.91, 59,148.48 and 13,137.30

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Solution

The fourth proportional to 39,446.91, 59,148.48 and 13,137.30 is: 19,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.91 : 59,148.48 = 13,137.30 : x
  2. Step 2: Convert to fraction form
    39,446.91/59,148.48 = 13,137.30/x
  3. Step 3: Cross multiply
    39,446.91x = 59,148.48 × 13,137.30
  4. Step 4: Simplify right side
    39,446.91x = 777,051,326.30
  5. Step 5: Solve for x
    x = 777,051,326.30/39,446.91
  6. Step 6: Final answer
    x = 19,698.66

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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.