Home / 53,633.18-80,424.74-19,897.85

Finding the Fourth Proportional to 53,633.18, 80,424.74 and 19,897.85

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Solution

The fourth proportional to 53,633.18, 80,424.74 and 19,897.85 is: 29,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.18 : 80,424.74 = 19,897.85 : x
  2. Step 2: Convert to fraction form
    53,633.18/80,424.74 = 19,897.85/x
  3. Step 3: Cross multiply
    53,633.18x = 80,424.74 × 19,897.85
  4. Step 4: Simplify right side
    53,633.18x = 1,600,278,911.20
  5. Step 5: Solve for x
    x = 1,600,278,911.20/53,633.18
  6. Step 6: Final answer
    x = 29,837.48

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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.