Home / 38,728.32-53,461.44-26,170.08

Finding the Fourth Proportional to 38,728.32, 53,461.44 and 26,170.08

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Solution

The fourth proportional to 38,728.32, 53,461.44 and 26,170.08 is: 36,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.32 : 53,461.44 = 26,170.08 : x
  2. Step 2: Convert to fraction form
    38,728.32/53,461.44 = 26,170.08/x
  3. Step 3: Cross multiply
    38,728.32x = 53,461.44 × 26,170.08
  4. Step 4: Simplify right side
    38,728.32x = 1,399,090,161.72
  5. Step 5: Solve for x
    x = 1,399,090,161.72/38,728.32
  6. Step 6: Final answer
    x = 36,125.76

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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.