Home / 34,425.78-47,505.65-19,317.03

Finding the Fourth Proportional to 34,425.78, 47,505.65 and 19,317.03

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Solution

The fourth proportional to 34,425.78, 47,505.65 and 19,317.03 is: 26,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,425.78 : 47,505.65 = 19,317.03 : x
  2. Step 2: Convert to fraction form
    34,425.78/47,505.65 = 19,317.03/x
  3. Step 3: Cross multiply
    34,425.78x = 47,505.65 × 19,317.03
  4. Step 4: Simplify right side
    34,425.78x = 917,667,969.63
  5. Step 5: Solve for x
    x = 917,667,969.63/34,425.78
  6. Step 6: Final answer
    x = 26,656.42

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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.