Home / 49,538.54-74,307.81-21,435.59

Finding the Fourth Proportional to 49,538.54, 74,307.81 and 21,435.59

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Solution

The fourth proportional to 49,538.54, 74,307.81 and 21,435.59 is: 32,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.54 : 74,307.81 = 21,435.59 : x
  2. Step 2: Convert to fraction form
    49,538.54/74,307.81 = 21,435.59/x
  3. Step 3: Cross multiply
    49,538.54x = 74,307.81 × 21,435.59
  4. Step 4: Simplify right side
    49,538.54x = 1,592,831,748.96
  5. Step 5: Solve for x
    x = 1,592,831,748.96/49,538.54
  6. Step 6: Final answer
    x = 32,153.39

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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.