Home / 40,828.55-61,253.24-19,778.67

Finding the Fourth Proportional to 40,828.55, 61,253.24 and 19,778.67

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Solution

The fourth proportional to 40,828.55, 61,253.24 and 19,778.67 is: 29,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.55 : 61,253.24 = 19,778.67 : x
  2. Step 2: Convert to fraction form
    40,828.55/61,253.24 = 19,778.67/x
  3. Step 3: Cross multiply
    40,828.55x = 61,253.24 × 19,778.67
  4. Step 4: Simplify right side
    40,828.55x = 1,211,507,521.50
  5. Step 5: Solve for x
    x = 1,211,507,521.50/40,828.55
  6. Step 6: Final answer
    x = 29,673.05

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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.