Home / 38,475.74-53,035.87-28,371.82

Finding the Fourth Proportional to 38,475.74, 53,035.87 and 28,371.82

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Solution

The fourth proportional to 38,475.74, 53,035.87 and 28,371.82 is: 39,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.74 : 53,035.87 = 28,371.82 : x
  2. Step 2: Convert to fraction form
    38,475.74/53,035.87 = 28,371.82/x
  3. Step 3: Cross multiply
    38,475.74x = 53,035.87 × 28,371.82
  4. Step 4: Simplify right side
    38,475.74x = 1,504,724,157.18
  5. Step 5: Solve for x
    x = 1,504,724,157.18/38,475.74
  6. Step 6: Final answer
    x = 39,108.39

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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.