Home / 39,592.32-54,635.06-21,683.76

Finding the Fourth Proportional to 39,592.32, 54,635.06 and 21,683.76

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Solution

The fourth proportional to 39,592.32, 54,635.06 and 21,683.76 is: 29,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.32 : 54,635.06 = 21,683.76 : x
  2. Step 2: Convert to fraction form
    39,592.32/54,635.06 = 21,683.76/x
  3. Step 3: Cross multiply
    39,592.32x = 54,635.06 × 21,683.76
  4. Step 4: Simplify right side
    39,592.32x = 1,184,693,528.63
  5. Step 5: Solve for x
    x = 1,184,693,528.63/39,592.32
  6. Step 6: Final answer
    x = 29,922.31

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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.