Home / 35,322.32-48,740.82-20,977.04

Finding the Fourth Proportional to 35,322.32, 48,740.82 and 20,977.04

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Solution

The fourth proportional to 35,322.32, 48,740.82 and 20,977.04 is: 28,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.32 : 48,740.82 = 20,977.04 : x
  2. Step 2: Convert to fraction form
    35,322.32/48,740.82 = 20,977.04/x
  3. Step 3: Cross multiply
    35,322.32x = 48,740.82 × 20,977.04
  4. Step 4: Simplify right side
    35,322.32x = 1,022,438,130.77
  5. Step 5: Solve for x
    x = 1,022,438,130.77/35,322.32
  6. Step 6: Final answer
    x = 28,945.95

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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.