Home / 39,774.45-59,661.41-13,497.69

Finding the Fourth Proportional to 39,774.45, 59,661.41 and 13,497.69

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Solution

The fourth proportional to 39,774.45, 59,661.41 and 13,497.69 is: 20,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,774.45 : 59,661.41 = 13,497.69 : x
  2. Step 2: Convert to fraction form
    39,774.45/59,661.41 = 13,497.69/x
  3. Step 3: Cross multiply
    39,774.45x = 59,661.41 × 13,497.69
  4. Step 4: Simplify right side
    39,774.45x = 805,291,149.65
  5. Step 5: Solve for x
    x = 805,291,149.65/39,774.45
  6. Step 6: Final answer
    x = 20,246.44

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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.