Home / 40,639.96-60,947.34-14,338.55

Finding the Fourth Proportional to 40,639.96, 60,947.34 and 14,338.55

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Solution

The fourth proportional to 40,639.96, 60,947.34 and 14,338.55 is: 21,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.96 : 60,947.34 = 14,338.55 : x
  2. Step 2: Convert to fraction form
    40,639.96/60,947.34 = 14,338.55/x
  3. Step 3: Cross multiply
    40,639.96x = 60,947.34 × 14,338.55
  4. Step 4: Simplify right side
    40,639.96x = 873,896,580.56
  5. Step 5: Solve for x
    x = 873,896,580.56/40,639.96
  6. Step 6: Final answer
    x = 21,503.38

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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.