Home / 38,126.70-57,255.66-36,486.45

Finding the Fourth Proportional to 38,126.70, 57,255.66 and 36,486.45

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Solution

The fourth proportional to 38,126.70, 57,255.66 and 36,486.45 is: 54,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.70 : 57,255.66 = 36,486.45 : x
  2. Step 2: Convert to fraction form
    38,126.70/57,255.66 = 36,486.45/x
  3. Step 3: Cross multiply
    38,126.70x = 57,255.66 × 36,486.45
  4. Step 4: Simplify right side
    38,126.70x = 2,089,055,775.81
  5. Step 5: Solve for x
    x = 2,089,055,775.81/38,126.70
  6. Step 6: Final answer
    x = 54,792.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.