Home / 35,132.16-48,477.60-20,982

Finding the Fourth Proportional to 35,132.16, 48,477.60 and 20,982

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Solution

The fourth proportional to 35,132.16, 48,477.60 and 20,982 is: 28,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,132.16 : 48,477.60 = 20,982 : x
  2. Step 2: Convert to fraction form
    35,132.16/48,477.60 = 20,982/x
  3. Step 3: Cross multiply
    35,132.16x = 48,477.60 × 20,982
  4. Step 4: Simplify right side
    35,132.16x = 1,017,157,003.20
  5. Step 5: Solve for x
    x = 1,017,157,003.20/35,132.16
  6. Step 6: Final answer
    x = 28,952.30

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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.