Home / 64,815.87-89,453.12-40,941.39

Finding the Fourth Proportional to 64,815.87, 89,453.12 and 40,941.39

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Solution

The fourth proportional to 64,815.87, 89,453.12 and 40,941.39 is: 56,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,815.87 : 89,453.12 = 40,941.39 : x
  2. Step 2: Convert to fraction form
    64,815.87/89,453.12 = 40,941.39/x
  3. Step 3: Cross multiply
    64,815.87x = 89,453.12 × 40,941.39
  4. Step 4: Simplify right side
    64,815.87x = 3,662,334,867.93
  5. Step 5: Solve for x
    x = 3,662,334,867.93/64,815.87
  6. Step 6: Final answer
    x = 56,503.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.