Home / 40,016.77-59,977.20-18,640.67

Finding the Fourth Proportional to 40,016.77, 59,977.20 and 18,640.67

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Solution

The fourth proportional to 40,016.77, 59,977.20 and 18,640.67 is: 27,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.77 : 59,977.20 = 18,640.67 : x
  2. Step 2: Convert to fraction form
    40,016.77/59,977.20 = 18,640.67/x
  3. Step 3: Cross multiply
    40,016.77x = 59,977.20 × 18,640.67
  4. Step 4: Simplify right side
    40,016.77x = 1,118,014,892.84
  5. Step 5: Solve for x
    x = 1,118,014,892.84/40,016.77
  6. Step 6: Final answer
    x = 27,938.66

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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.