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Finding the Fourth Proportional to 35,424.63, 48,886.03 and 19,291.96

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Solution

The fourth proportional to 35,424.63, 48,886.03 and 19,291.96 is: 26,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.63 : 48,886.03 = 19,291.96 : x
  2. Step 2: Convert to fraction form
    35,424.63/48,886.03 = 19,291.96/x
  3. Step 3: Cross multiply
    35,424.63x = 48,886.03 × 19,291.96
  4. Step 4: Simplify right side
    35,424.63x = 943,107,335.32
  5. Step 5: Solve for x
    x = 943,107,335.32/35,424.63
  6. Step 6: Final answer
    x = 26,622.93

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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.