Home / 55,109.07-82,622.90-17,647.47

Finding the Fourth Proportional to 55,109.07, 82,622.90 and 17,647.47

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Solution

The fourth proportional to 55,109.07, 82,622.90 and 17,647.47 is: 26,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.07 : 82,622.90 = 17,647.47 : x
  2. Step 2: Convert to fraction form
    55,109.07/82,622.90 = 17,647.47/x
  3. Step 3: Cross multiply
    55,109.07x = 82,622.90 × 17,647.47
  4. Step 4: Simplify right side
    55,109.07x = 1,458,085,193.18
  5. Step 5: Solve for x
    x = 1,458,085,193.18/55,109.07
  6. Step 6: Final answer
    x = 26,458.17

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1.5x scale

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.