Home / 38,582.53-57,884.73-12,289.32

Finding the Fourth Proportional to 38,582.53, 57,884.73 and 12,289.32

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Solution

The fourth proportional to 38,582.53, 57,884.73 and 12,289.32 is: 18,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.53 : 57,884.73 = 12,289.32 : x
  2. Step 2: Convert to fraction form
    38,582.53/57,884.73 = 12,289.32/x
  3. Step 3: Cross multiply
    38,582.53x = 57,884.73 × 12,289.32
  4. Step 4: Simplify right side
    38,582.53x = 711,363,924.00
  5. Step 5: Solve for x
    x = 711,363,924.00/38,582.53
  6. Step 6: Final answer
    x = 18,437.46

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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.