Home / 35,763.12-49,345.92-21,616.76

Finding the Fourth Proportional to 35,763.12, 49,345.92 and 21,616.76

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Solution

The fourth proportional to 35,763.12, 49,345.92 and 21,616.76 is: 29,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,763.12 : 49,345.92 = 21,616.76 : x
  2. Step 2: Convert to fraction form
    35,763.12/49,345.92 = 21,616.76/x
  3. Step 3: Cross multiply
    35,763.12x = 49,345.92 × 21,616.76
  4. Step 4: Simplify right side
    35,763.12x = 1,066,698,909.62
  5. Step 5: Solve for x
    x = 1,066,698,909.62/35,763.12
  6. Step 6: Final answer
    x = 29,826.79

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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.