Home / 35,838.24-49,449.12-20,730.72

Finding the Fourth Proportional to 35,838.24, 49,449.12 and 20,730.72

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Solution

The fourth proportional to 35,838.24, 49,449.12 and 20,730.72 is: 28,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,838.24 : 49,449.12 = 20,730.72 : x
  2. Step 2: Convert to fraction form
    35,838.24/49,449.12 = 20,730.72/x
  3. Step 3: Cross multiply
    35,838.24x = 49,449.12 × 20,730.72
  4. Step 4: Simplify right side
    35,838.24x = 1,025,115,860.97
  5. Step 5: Solve for x
    x = 1,025,115,860.97/35,838.24
  6. Step 6: Final answer
    x = 28,603.97

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1.5x scale

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.