Home / 35,447.34-48,918.23-19,531.78

Finding the Fourth Proportional to 35,447.34, 48,918.23 and 19,531.78

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Solution

The fourth proportional to 35,447.34, 48,918.23 and 19,531.78 is: 26,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.34 : 48,918.23 = 19,531.78 : x
  2. Step 2: Convert to fraction form
    35,447.34/48,918.23 = 19,531.78/x
  3. Step 3: Cross multiply
    35,447.34x = 48,918.23 × 19,531.78
  4. Step 4: Simplify right side
    35,447.34x = 955,460,106.35
  5. Step 5: Solve for x
    x = 955,460,106.35/35,447.34
  6. Step 6: Final answer
    x = 26,954.35

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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.