Home / 49,478.14-74,228.15-14,420.53

Finding the Fourth Proportional to 49,478.14, 74,228.15 and 14,420.53

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Solution

The fourth proportional to 49,478.14, 74,228.15 and 14,420.53 is: 21,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.14 : 74,228.15 = 14,420.53 : x
  2. Step 2: Convert to fraction form
    49,478.14/74,228.15 = 14,420.53/x
  3. Step 3: Cross multiply
    49,478.14x = 74,228.15 × 14,420.53
  4. Step 4: Simplify right side
    49,478.14x = 1,070,409,311.64
  5. Step 5: Solve for x
    x = 1,070,409,311.64/49,478.14
  6. Step 6: Final answer
    x = 21,633.98

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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.