Home / 52,829.38-79,239.30-19,549.72

Finding the Fourth Proportional to 52,829.38, 79,239.30 and 19,549.72

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Solution

The fourth proportional to 52,829.38, 79,239.30 and 19,549.72 is: 29,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.38 : 79,239.30 = 19,549.72 : x
  2. Step 2: Convert to fraction form
    52,829.38/79,239.30 = 19,549.72/x
  3. Step 3: Cross multiply
    52,829.38x = 79,239.30 × 19,549.72
  4. Step 4: Simplify right side
    52,829.38x = 1,549,106,128.00
  5. Step 5: Solve for x
    x = 1,549,106,128.00/52,829.38
  6. Step 6: Final answer
    x = 29,322.81

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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.