Home / 43,102.76-64,656.57-13,519.94

Finding the Fourth Proportional to 43,102.76, 64,656.57 and 13,519.94

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Solution

The fourth proportional to 43,102.76, 64,656.57 and 13,519.94 is: 20,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.76 : 64,656.57 = 13,519.94 : x
  2. Step 2: Convert to fraction form
    43,102.76/64,656.57 = 13,519.94/x
  3. Step 3: Cross multiply
    43,102.76x = 64,656.57 × 13,519.94
  4. Step 4: Simplify right side
    43,102.76x = 874,152,947.01
  5. Step 5: Solve for x
    x = 874,152,947.01/43,102.76
  6. Step 6: Final answer
    x = 20,280.67

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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.