Home / 39,684.75-59,477.91-21,900.33

Finding the Fourth Proportional to 39,684.75, 59,477.91 and 21,900.33

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Solution

The fourth proportional to 39,684.75, 59,477.91 and 21,900.33 is: 32,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.75 : 59,477.91 = 21,900.33 : x
  2. Step 2: Convert to fraction form
    39,684.75/59,477.91 = 21,900.33/x
  3. Step 3: Cross multiply
    39,684.75x = 59,477.91 × 21,900.33
  4. Step 4: Simplify right side
    39,684.75x = 1,302,585,856.71
  5. Step 5: Solve for x
    x = 1,302,585,856.71/39,684.75
  6. Step 6: Final answer
    x = 32,823.34

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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.