Home / 53,240.88-79,837.92-19,937.58

Finding the Fourth Proportional to 53,240.88, 79,837.92 and 19,937.58

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Solution

The fourth proportional to 53,240.88, 79,837.92 and 19,937.58 is: 29,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.88 : 79,837.92 = 19,937.58 : x
  2. Step 2: Convert to fraction form
    53,240.88/79,837.92 = 19,937.58/x
  3. Step 3: Cross multiply
    53,240.88x = 79,837.92 × 19,937.58
  4. Step 4: Simplify right side
    53,240.88x = 1,591,775,166.47
  5. Step 5: Solve for x
    x = 1,591,775,166.47/53,240.88
  6. Step 6: Final answer
    x = 29,897.61

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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.