Home / 32,919.60-49,395.12-15,386.88

Finding the Fourth Proportional to 32,919.60, 49,395.12 and 15,386.88

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Solution

The fourth proportional to 32,919.60, 49,395.12 and 15,386.88 is: 23,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919.60 : 49,395.12 = 15,386.88 : x
  2. Step 2: Convert to fraction form
    32,919.60/49,395.12 = 15,386.88/x
  3. Step 3: Cross multiply
    32,919.60x = 49,395.12 × 15,386.88
  4. Step 4: Simplify right side
    32,919.60x = 760,036,784.03
  5. Step 5: Solve for x
    x = 760,036,784.03/32,919.60
  6. Step 6: Final answer
    x = 23,087.67

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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.