Home / 35,378.34-48,822.48-20,270.66

Finding the Fourth Proportional to 35,378.34, 48,822.48 and 20,270.66

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Solution

The fourth proportional to 35,378.34, 48,822.48 and 20,270.66 is: 27,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.34 : 48,822.48 = 20,270.66 : x
  2. Step 2: Convert to fraction form
    35,378.34/48,822.48 = 20,270.66/x
  3. Step 3: Cross multiply
    35,378.34x = 48,822.48 × 20,270.66
  4. Step 4: Simplify right side
    35,378.34x = 989,663,648.32
  5. Step 5: Solve for x
    x = 989,663,648.32/35,378.34
  6. Step 6: Final answer
    x = 27,973.72

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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.