Home / 55,528.38-76,628.43-31,655.48

Finding the Fourth Proportional to 55,528.38, 76,628.43 and 31,655.48

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Solution

The fourth proportional to 55,528.38, 76,628.43 and 31,655.48 is: 43,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.38 : 76,628.43 = 31,655.48 : x
  2. Step 2: Convert to fraction form
    55,528.38/76,628.43 = 31,655.48/x
  3. Step 3: Cross multiply
    55,528.38x = 76,628.43 × 31,655.48
  4. Step 4: Simplify right side
    55,528.38x = 2,425,709,350.15
  5. Step 5: Solve for x
    x = 2,425,709,350.15/55,528.38
  6. Step 6: Final answer
    x = 43,684.14

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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.