Home / 34,248.69-47,261.31-19,138.35

Finding the Fourth Proportional to 34,248.69, 47,261.31 and 19,138.35

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Solution

The fourth proportional to 34,248.69, 47,261.31 and 19,138.35 is: 26,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,248.69 : 47,261.31 = 19,138.35 : x
  2. Step 2: Convert to fraction form
    34,248.69/47,261.31 = 19,138.35/x
  3. Step 3: Cross multiply
    34,248.69x = 47,261.31 × 19,138.35
  4. Step 4: Simplify right side
    34,248.69x = 904,503,160.24
  5. Step 5: Solve for x
    x = 904,503,160.24/34,248.69
  6. Step 6: Final answer
    x = 26,409.86

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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.