Home / 52,556.65-78,788.10-19,268.96

Finding the Fourth Proportional to 52,556.65, 78,788.10 and 19,268.96

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Solution

The fourth proportional to 52,556.65, 78,788.10 and 19,268.96 is: 28,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,556.65 : 78,788.10 = 19,268.96 : x
  2. Step 2: Convert to fraction form
    52,556.65/78,788.10 = 19,268.96/x
  3. Step 3: Cross multiply
    52,556.65x = 78,788.10 × 19,268.96
  4. Step 4: Simplify right side
    52,556.65x = 1,518,164,353.44
  5. Step 5: Solve for x
    x = 1,518,164,353.44/52,556.65
  6. Step 6: Final answer
    x = 28,886.25

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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.