Home / 55,564.68-76,674.42-31,364.31

Finding the Fourth Proportional to 55,564.68, 76,674.42 and 31,364.31

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Solution

The fourth proportional to 55,564.68, 76,674.42 and 31,364.31 is: 43,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.68 : 76,674.42 = 31,364.31 : x
  2. Step 2: Convert to fraction form
    55,564.68/76,674.42 = 31,364.31/x
  3. Step 3: Cross multiply
    55,564.68x = 76,674.42 × 31,364.31
  4. Step 4: Simplify right side
    55,564.68x = 2,404,840,277.95
  5. Step 5: Solve for x
    x = 2,404,840,277.95/55,564.68
  6. Step 6: Final answer
    x = 43,280.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.