Home / 34,128.81-47,097.65-19,021.30

Finding the Fourth Proportional to 34,128.81, 47,097.65 and 19,021.30

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Solution

The fourth proportional to 34,128.81, 47,097.65 and 19,021.30 is: 26,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.81 : 47,097.65 = 19,021.30 : x
  2. Step 2: Convert to fraction form
    34,128.81/47,097.65 = 19,021.30/x
  3. Step 3: Cross multiply
    34,128.81x = 47,097.65 × 19,021.30
  4. Step 4: Simplify right side
    34,128.81x = 895,858,459.75
  5. Step 5: Solve for x
    x = 895,858,459.75/34,128.81
  6. Step 6: Final answer
    x = 26,249.33

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1.5x scale

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.