Home / 38,817.20-53,537.40-32,865.20

Finding the Fourth Proportional to 38,817.20, 53,537.40 and 32,865.20

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Solution

The fourth proportional to 38,817.20, 53,537.40 and 32,865.20 is: 45,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.20 : 53,537.40 = 32,865.20 : x
  2. Step 2: Convert to fraction form
    38,817.20/53,537.40 = 32,865.20/x
  3. Step 3: Cross multiply
    38,817.20x = 53,537.40 × 32,865.20
  4. Step 4: Simplify right side
    38,817.20x = 1,759,517,358.48
  5. Step 5: Solve for x
    x = 1,759,517,358.48/38,817.20
  6. Step 6: Final answer
    x = 45,328.29

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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.