Home / 35,456.18-48,930.10-19,540.40

Finding the Fourth Proportional to 35,456.18, 48,930.10 and 19,540.40

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Solution

The fourth proportional to 35,456.18, 48,930.10 and 19,540.40 is: 26,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.18 : 48,930.10 = 19,540.40 : x
  2. Step 2: Convert to fraction form
    35,456.18/48,930.10 = 19,540.40/x
  3. Step 3: Cross multiply
    35,456.18x = 48,930.10 × 19,540.40
  4. Step 4: Simplify right side
    35,456.18x = 956,113,432.54
  5. Step 5: Solve for x
    x = 956,113,432.54/35,456.18
  6. Step 6: Final answer
    x = 26,966.06

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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.