Home / 38,236.64-52,768.04-21,242.16

Finding the Fourth Proportional to 38,236.64, 52,768.04 and 21,242.16

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Solution

The fourth proportional to 38,236.64, 52,768.04 and 21,242.16 is: 29,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.64 : 52,768.04 = 21,242.16 : x
  2. Step 2: Convert to fraction form
    38,236.64/52,768.04 = 21,242.16/x
  3. Step 3: Cross multiply
    38,236.64x = 52,768.04 × 21,242.16
  4. Step 4: Simplify right side
    38,236.64x = 1,120,907,148.57
  5. Step 5: Solve for x
    x = 1,120,907,148.57/38,236.64
  6. Step 6: Final answer
    x = 29,315.00

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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.