Home / 47,999.18-72,006.98-18,010.86

Finding the Fourth Proportional to 47,999.18, 72,006.98 and 18,010.86

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Solution

The fourth proportional to 47,999.18, 72,006.98 and 18,010.86 is: 27,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.18 : 72,006.98 = 18,010.86 : x
  2. Step 2: Convert to fraction form
    47,999.18/72,006.98 = 18,010.86/x
  3. Step 3: Cross multiply
    47,999.18x = 72,006.98 × 18,010.86
  4. Step 4: Simplify right side
    47,999.18x = 1,296,907,275.72
  5. Step 5: Solve for x
    x = 1,296,907,275.72/47,999.18
  6. Step 6: Final answer
    x = 27,019.36

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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.