Home / 38,757.86-53,486.63-30,269.87

Finding the Fourth Proportional to 38,757.86, 53,486.63 and 30,269.87

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Solution

The fourth proportional to 38,757.86, 53,486.63 and 30,269.87 is: 41,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,757.86 : 53,486.63 = 30,269.87 : x
  2. Step 2: Convert to fraction form
    38,757.86/53,486.63 = 30,269.87/x
  3. Step 3: Cross multiply
    38,757.86x = 53,486.63 × 30,269.87
  4. Step 4: Simplify right side
    38,757.86x = 1,619,032,918.06
  5. Step 5: Solve for x
    x = 1,619,032,918.06/38,757.86
  6. Step 6: Final answer
    x = 41,773.03

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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.