Home / 53,974.23-80,961.86-20,686.37

Finding the Fourth Proportional to 53,974.23, 80,961.86 and 20,686.37

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Solution

The fourth proportional to 53,974.23, 80,961.86 and 20,686.37 is: 31,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.23 : 80,961.86 = 20,686.37 : x
  2. Step 2: Convert to fraction form
    53,974.23/80,961.86 = 20,686.37/x
  3. Step 3: Cross multiply
    53,974.23x = 80,961.86 × 20,686.37
  4. Step 4: Simplify right side
    53,974.23x = 1,674,806,483.61
  5. Step 5: Solve for x
    x = 1,674,806,483.61/53,974.23
  6. Step 6: Final answer
    x = 31,029.74

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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.