Home / 19,977.16-29,961.50-5,937.32

Finding the Fourth Proportional to 19,977.16, 29,961.50 and 5,937.32

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Solution

The fourth proportional to 19,977.16, 29,961.50 and 5,937.32 is: 8,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.16 : 29,961.50 = 5,937.32 : x
  2. Step 2: Convert to fraction form
    19,977.16/29,961.50 = 5,937.32/x
  3. Step 3: Cross multiply
    19,977.16x = 29,961.50 × 5,937.32
  4. Step 4: Simplify right side
    19,977.16x = 177,891,013.18
  5. Step 5: Solve for x
    x = 177,891,013.18/19,977.16
  6. Step 6: Final answer
    x = 8,904.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.