Home / 39,764.40-59,643.16-13,468.56

Finding the Fourth Proportional to 39,764.40, 59,643.16 and 13,468.56

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Solution

The fourth proportional to 39,764.40, 59,643.16 and 13,468.56 is: 20,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.40 : 59,643.16 = 13,468.56 : x
  2. Step 2: Convert to fraction form
    39,764.40/59,643.16 = 13,468.56/x
  3. Step 3: Cross multiply
    39,764.40x = 59,643.16 × 13,468.56
  4. Step 4: Simplify right side
    39,764.40x = 803,307,479.05
  5. Step 5: Solve for x
    x = 803,307,479.05/39,764.40
  6. Step 6: Final answer
    x = 20,201.67

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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.