Home / 39,586.96-54,631.36-21,683.04

Finding the Fourth Proportional to 39,586.96, 54,631.36 and 21,683.04

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Solution

The fourth proportional to 39,586.96, 54,631.36 and 21,683.04 is: 29,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.96 : 54,631.36 = 21,683.04 : x
  2. Step 2: Convert to fraction form
    39,586.96/54,631.36 = 21,683.04/x
  3. Step 3: Cross multiply
    39,586.96x = 54,631.36 × 21,683.04
  4. Step 4: Simplify right side
    39,586.96x = 1,184,573,964.13
  5. Step 5: Solve for x
    x = 1,184,573,964.13/39,586.96
  6. Step 6: Final answer
    x = 29,923.34

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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.