Home / 52,556.15-78,787.35-19,268.45

Finding the Fourth Proportional to 52,556.15, 78,787.35 and 19,268.45

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Solution

The fourth proportional to 52,556.15, 78,787.35 and 19,268.45 is: 28,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,556.15 : 78,787.35 = 19,268.45 : x
  2. Step 2: Convert to fraction form
    52,556.15/78,787.35 = 19,268.45/x
  3. Step 3: Cross multiply
    52,556.15x = 78,787.35 × 19,268.45
  4. Step 4: Simplify right side
    52,556.15x = 1,518,110,458.80
  5. Step 5: Solve for x
    x = 1,518,110,458.80/52,556.15
  6. Step 6: Final answer
    x = 28,885.50

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1.5x scale

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.