Home / 46,666.28-69,989.81-13,378.95

Finding the Fourth Proportional to 46,666.28, 69,989.81 and 13,378.95

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Solution

The fourth proportional to 46,666.28, 69,989.81 and 13,378.95 is: 20,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,666.28 : 69,989.81 = 13,378.95 : x
  2. Step 2: Convert to fraction form
    46,666.28/69,989.81 = 13,378.95/x
  3. Step 3: Cross multiply
    46,666.28x = 69,989.81 × 13,378.95
  4. Step 4: Simplify right side
    46,666.28x = 936,390,101.60
  5. Step 5: Solve for x
    x = 936,390,101.60/46,666.28
  6. Step 6: Final answer
    x = 20,065.67

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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.