Home / 53,192.16-79,780.68-19,907.64

Finding the Fourth Proportional to 53,192.16, 79,780.68 and 19,907.64

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Solution

The fourth proportional to 53,192.16, 79,780.68 and 19,907.64 is: 29,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.16 : 79,780.68 = 19,907.64 : x
  2. Step 2: Convert to fraction form
    53,192.16/79,780.68 = 19,907.64/x
  3. Step 3: Cross multiply
    53,192.16x = 79,780.68 × 19,907.64
  4. Step 4: Simplify right side
    53,192.16x = 1,588,245,056.40
  5. Step 5: Solve for x
    x = 1,588,245,056.40/53,192.16
  6. Step 6: Final answer
    x = 29,858.63

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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.