Home / 32,619.56-48,929.34-12,907.40

Finding the Fourth Proportional to 32,619.56, 48,929.34 and 12,907.40

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Solution

The fourth proportional to 32,619.56, 48,929.34 and 12,907.40 is: 19,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.56 : 48,929.34 = 12,907.40 : x
  2. Step 2: Convert to fraction form
    32,619.56/48,929.34 = 12,907.40/x
  3. Step 3: Cross multiply
    32,619.56x = 48,929.34 × 12,907.40
  4. Step 4: Simplify right side
    32,619.56x = 631,550,563.12
  5. Step 5: Solve for x
    x = 631,550,563.12/32,619.56
  6. Step 6: Final answer
    x = 19,361.10

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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.