Home / 53,843.86-80,762.82-18,785.98

Finding the Fourth Proportional to 53,843.86, 80,762.82 and 18,785.98

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Solution

The fourth proportional to 53,843.86, 80,762.82 and 18,785.98 is: 28,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,843.86 : 80,762.82 = 18,785.98 : x
  2. Step 2: Convert to fraction form
    53,843.86/80,762.82 = 18,785.98/x
  3. Step 3: Cross multiply
    53,843.86x = 80,762.82 × 18,785.98
  4. Step 4: Simplify right side
    53,843.86x = 1,517,208,721.26
  5. Step 5: Solve for x
    x = 1,517,208,721.26/53,843.86
  6. Step 6: Final answer
    x = 28,177.93

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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.