Home / 55,370.21-83,068.52-17,930.36

Finding the Fourth Proportional to 55,370.21, 83,068.52 and 17,930.36

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Solution

The fourth proportional to 55,370.21, 83,068.52 and 17,930.36 is: 26,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,370.21 : 83,068.52 = 17,930.36 : x
  2. Step 2: Convert to fraction form
    55,370.21/83,068.52 = 17,930.36/x
  3. Step 3: Cross multiply
    55,370.21x = 83,068.52 × 17,930.36
  4. Step 4: Simplify right side
    55,370.21x = 1,489,448,762.79
  5. Step 5: Solve for x
    x = 1,489,448,762.79/55,370.21
  6. Step 6: Final answer
    x = 26,899.82

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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.