Home / 53,970.41-80,906.60-18,890.93

Finding the Fourth Proportional to 53,970.41, 80,906.60 and 18,890.93

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Solution

The fourth proportional to 53,970.41, 80,906.60 and 18,890.93 is: 28,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.41 : 80,906.60 = 18,890.93 : x
  2. Step 2: Convert to fraction form
    53,970.41/80,906.60 = 18,890.93/x
  3. Step 3: Cross multiply
    53,970.41x = 80,906.60 × 18,890.93
  4. Step 4: Simplify right side
    53,970.41x = 1,528,400,917.14
  5. Step 5: Solve for x
    x = 1,528,400,917.14/53,970.41
  6. Step 6: Final answer
    x = 28,319.24

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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.