Home / 47,985.80-72,000.30-16,843.40

Finding the Fourth Proportional to 47,985.80, 72,000.30 and 16,843.40

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Solution

The fourth proportional to 47,985.80, 72,000.30 and 16,843.40 is: 25,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.80 : 72,000.30 = 16,843.40 : x
  2. Step 2: Convert to fraction form
    47,985.80/72,000.30 = 16,843.40/x
  3. Step 3: Cross multiply
    47,985.80x = 72,000.30 × 16,843.40
  4. Step 4: Simplify right side
    47,985.80x = 1,212,729,853.02
  5. Step 5: Solve for x
    x = 1,212,729,853.02/47,985.80
  6. Step 6: Final answer
    x = 25,272.68

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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.