Home / 55,346.64-83,013.80-19,806.52

Finding the Fourth Proportional to 55,346.64, 83,013.80 and 19,806.52

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Solution

The fourth proportional to 55,346.64, 83,013.80 and 19,806.52 is: 29,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.64 : 83,013.80 = 19,806.52 : x
  2. Step 2: Convert to fraction form
    55,346.64/83,013.80 = 19,806.52/x
  3. Step 3: Cross multiply
    55,346.64x = 83,013.80 × 19,806.52
  4. Step 4: Simplify right side
    55,346.64x = 1,644,214,489.98
  5. Step 5: Solve for x
    x = 1,644,214,489.98/55,346.64
  6. Step 6: Final answer
    x = 29,707.58

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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.