Home / 36,870.53-50,881.34-20,954.57

Finding the Fourth Proportional to 36,870.53, 50,881.34 and 20,954.57

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Solution

The fourth proportional to 36,870.53, 50,881.34 and 20,954.57 is: 28,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.53 : 50,881.34 = 20,954.57 : x
  2. Step 2: Convert to fraction form
    36,870.53/50,881.34 = 20,954.57/x
  3. Step 3: Cross multiply
    36,870.53x = 50,881.34 × 20,954.57
  4. Step 4: Simplify right side
    36,870.53x = 1,066,196,600.72
  5. Step 5: Solve for x
    x = 1,066,196,600.72/36,870.53
  6. Step 6: Final answer
    x = 28,917.31

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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.