Home / 52,583.80-78,897.30-19,319.80

Finding the Fourth Proportional to 52,583.80, 78,897.30 and 19,319.80

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Solution

The fourth proportional to 52,583.80, 78,897.30 and 19,319.80 is: 28,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.80 : 78,897.30 = 19,319.80 : x
  2. Step 2: Convert to fraction form
    52,583.80/78,897.30 = 19,319.80/x
  3. Step 3: Cross multiply
    52,583.80x = 78,897.30 × 19,319.80
  4. Step 4: Simplify right side
    52,583.80x = 1,524,280,056.54
  5. Step 5: Solve for x
    x = 1,524,280,056.54/52,583.80
  6. Step 6: Final answer
    x = 28,987.64

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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.