Home / 51,071.36-76,590.03-21,483.68

Finding the Fourth Proportional to 51,071.36, 76,590.03 and 21,483.68

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Solution

The fourth proportional to 51,071.36, 76,590.03 and 21,483.68 is: 32,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.36 : 76,590.03 = 21,483.68 : x
  2. Step 2: Convert to fraction form
    51,071.36/76,590.03 = 21,483.68/x
  3. Step 3: Cross multiply
    51,071.36x = 76,590.03 × 21,483.68
  4. Step 4: Simplify right side
    51,071.36x = 1,645,435,695.71
  5. Step 5: Solve for x
    x = 1,645,435,695.71/51,071.36
  6. Step 6: Final answer
    x = 32,218.36

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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.