Home / 43,311-64,962.28-29,360.68

Finding the Fourth Proportional to 43,311, 64,962.28 and 29,360.68

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Solution

The fourth proportional to 43,311, 64,962.28 and 29,360.68 is: 44,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311 : 64,962.28 = 29,360.68 : x
  2. Step 2: Convert to fraction form
    43,311/64,962.28 = 29,360.68/x
  3. Step 3: Cross multiply
    43,311x = 64,962.28 × 29,360.68
  4. Step 4: Simplify right side
    43,311x = 1,907,336,715.15
  5. Step 5: Solve for x
    x = 1,907,336,715.15/43,311
  6. Step 6: Final answer
    x = 44,038.16

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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.