Home / 39,586.97-54,630.04-21,683.11

Finding the Fourth Proportional to 39,586.97, 54,630.04 and 21,683.11

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Solution

The fourth proportional to 39,586.97, 54,630.04 and 21,683.11 is: 29,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.97 : 54,630.04 = 21,683.11 : x
  2. Step 2: Convert to fraction form
    39,586.97/54,630.04 = 21,683.11/x
  3. Step 3: Cross multiply
    39,586.97x = 54,630.04 × 21,683.11
  4. Step 4: Simplify right side
    39,586.97x = 1,184,549,166.62
  5. Step 5: Solve for x
    x = 1,184,549,166.62/39,586.97
  6. Step 6: Final answer
    x = 29,922.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.