Home / 39,232.97-54,141.85-21,328.01

Finding the Fourth Proportional to 39,232.97, 54,141.85 and 21,328.01

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Solution

The fourth proportional to 39,232.97, 54,141.85 and 21,328.01 is: 29,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.97 : 54,141.85 = 21,328.01 : x
  2. Step 2: Convert to fraction form
    39,232.97/54,141.85 = 21,328.01/x
  3. Step 3: Cross multiply
    39,232.97x = 54,141.85 × 21,328.01
  4. Step 4: Simplify right side
    39,232.97x = 1,154,737,918.22
  5. Step 5: Solve for x
    x = 1,154,737,918.22/39,232.97
  6. Step 6: Final answer
    x = 29,432.84

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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.