Home / 55,945.69-83,918.53-19,009.69

Finding the Fourth Proportional to 55,945.69, 83,918.53 and 19,009.69

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Solution

The fourth proportional to 55,945.69, 83,918.53 and 19,009.69 is: 28,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.69 : 83,918.53 = 19,009.69 : x
  2. Step 2: Convert to fraction form
    55,945.69/83,918.53 = 19,009.69/x
  3. Step 3: Cross multiply
    55,945.69x = 83,918.53 × 19,009.69
  4. Step 4: Simplify right side
    55,945.69x = 1,595,265,054.52
  5. Step 5: Solve for x
    x = 1,595,265,054.52/55,945.69
  6. Step 6: Final answer
    x = 28,514.53

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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.