Home / 39,491.75-59,246.99-11,790.47

Finding the Fourth Proportional to 39,491.75, 59,246.99 and 11,790.47

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Solution

The fourth proportional to 39,491.75, 59,246.99 and 11,790.47 is: 17,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.75 : 59,246.99 = 11,790.47 : x
  2. Step 2: Convert to fraction form
    39,491.75/59,246.99 = 11,790.47/x
  3. Step 3: Cross multiply
    39,491.75x = 59,246.99 × 11,790.47
  4. Step 4: Simplify right side
    39,491.75x = 698,549,799.23
  5. Step 5: Solve for x
    x = 698,549,799.23/39,491.75
  6. Step 6: Final answer
    x = 17,688.50

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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.