Home / 52,185.41-78,277.92-18,897.69

Finding the Fourth Proportional to 52,185.41, 78,277.92 and 18,897.69

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Solution

The fourth proportional to 52,185.41, 78,277.92 and 18,897.69 is: 28,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,185.41 : 78,277.92 = 18,897.69 : x
  2. Step 2: Convert to fraction form
    52,185.41/78,277.92 = 18,897.69/x
  3. Step 3: Cross multiply
    52,185.41x = 78,277.92 × 18,897.69
  4. Step 4: Simplify right side
    52,185.41x = 1,479,272,031.75
  5. Step 5: Solve for x
    x = 1,479,272,031.75/52,185.41
  6. Step 6: Final answer
    x = 28,346.47

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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.