Home / 38,728.36-53,461.42-26,170.12

Finding the Fourth Proportional to 38,728.36, 53,461.42 and 26,170.12

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Solution

The fourth proportional to 38,728.36, 53,461.42 and 26,170.12 is: 36,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.36 : 53,461.42 = 26,170.12 : x
  2. Step 2: Convert to fraction form
    38,728.36/53,461.42 = 26,170.12/x
  3. Step 3: Cross multiply
    38,728.36x = 53,461.42 × 26,170.12
  4. Step 4: Simplify right side
    38,728.36x = 1,399,091,776.77
  5. Step 5: Solve for x
    x = 1,399,091,776.77/38,728.36
  6. Step 6: Final answer
    x = 36,125.77

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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.