Home / 36,307.02-50,103.72-20,392.50

Finding the Fourth Proportional to 36,307.02, 50,103.72 and 20,392.50

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Solution

The fourth proportional to 36,307.02, 50,103.72 and 20,392.50 is: 28,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.02 : 50,103.72 = 20,392.50 : x
  2. Step 2: Convert to fraction form
    36,307.02/50,103.72 = 20,392.50/x
  3. Step 3: Cross multiply
    36,307.02x = 50,103.72 × 20,392.50
  4. Step 4: Simplify right side
    36,307.02x = 1,021,740,110.10
  5. Step 5: Solve for x
    x = 1,021,740,110.10/36,307.02
  6. Step 6: Final answer
    x = 28,141.67

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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.