Home / 52,449.63-78,681.32-19,185.36

Finding the Fourth Proportional to 52,449.63, 78,681.32 and 19,185.36

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Solution

The fourth proportional to 52,449.63, 78,681.32 and 19,185.36 is: 28,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.63 : 78,681.32 = 19,185.36 : x
  2. Step 2: Convert to fraction form
    52,449.63/78,681.32 = 19,185.36/x
  3. Step 3: Cross multiply
    52,449.63x = 78,681.32 × 19,185.36
  4. Step 4: Simplify right side
    52,449.63x = 1,509,529,353.55
  5. Step 5: Solve for x
    x = 1,509,529,353.55/52,449.63
  6. Step 6: Final answer
    x = 28,780.55

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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.