Home / 52,556.85-78,788.40-19,269.16

Finding the Fourth Proportional to 52,556.85, 78,788.40 and 19,269.16

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Solution

The fourth proportional to 52,556.85, 78,788.40 and 19,269.16 is: 28,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,556.85 : 78,788.40 = 19,269.16 : x
  2. Step 2: Convert to fraction form
    52,556.85/78,788.40 = 19,269.16/x
  3. Step 3: Cross multiply
    52,556.85x = 78,788.40 × 19,269.16
  4. Step 4: Simplify right side
    52,556.85x = 1,518,186,124.90
  5. Step 5: Solve for x
    x = 1,518,186,124.90/52,556.85
  6. Step 6: Final answer
    x = 28,886.55

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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.