Home / 51,736.32-77,621.76-20,563.20

Finding the Fourth Proportional to 51,736.32, 77,621.76 and 20,563.20

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Solution

The fourth proportional to 51,736.32, 77,621.76 and 20,563.20 is: 30,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,736.32 : 77,621.76 = 20,563.20 : x
  2. Step 2: Convert to fraction form
    51,736.32/77,621.76 = 20,563.20/x
  3. Step 3: Cross multiply
    51,736.32x = 77,621.76 × 20,563.20
  4. Step 4: Simplify right side
    51,736.32x = 1,596,151,775.23
  5. Step 5: Solve for x
    x = 1,596,151,775.23/51,736.32
  6. Step 6: Final answer
    x = 30,851.67

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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.