Home / 36,868.16-50,865.90-20,946.80

Finding the Fourth Proportional to 36,868.16, 50,865.90 and 20,946.80

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Solution

The fourth proportional to 36,868.16, 50,865.90 and 20,946.80 is: 28,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.16 : 50,865.90 = 20,946.80 : x
  2. Step 2: Convert to fraction form
    36,868.16/50,865.90 = 20,946.80/x
  3. Step 3: Cross multiply
    36,868.16x = 50,865.90 × 20,946.80
  4. Step 4: Simplify right side
    36,868.16x = 1,065,477,834.12
  5. Step 5: Solve for x
    x = 1,065,477,834.12/36,868.16
  6. Step 6: Final answer
    x = 28,899.67

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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.