Home / 45,880.48-68,811.84-20,913.52

Finding the Fourth Proportional to 45,880.48, 68,811.84 and 20,913.52

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Solution

The fourth proportional to 45,880.48, 68,811.84 and 20,913.52 is: 31,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,880.48 : 68,811.84 = 20,913.52 : x
  2. Step 2: Convert to fraction form
    45,880.48/68,811.84 = 20,913.52/x
  3. Step 3: Cross multiply
    45,880.48x = 68,811.84 × 20,913.52
  4. Step 4: Simplify right side
    45,880.48x = 1,439,097,792.08
  5. Step 5: Solve for x
    x = 1,439,097,792.08/45,880.48
  6. Step 6: Final answer
    x = 31,366.23

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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.