Home / 35,821.20-49,430.99-19,904.70

Finding the Fourth Proportional to 35,821.20, 49,430.99 and 19,904.70

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Solution

The fourth proportional to 35,821.20, 49,430.99 and 19,904.70 is: 27,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.20 : 49,430.99 = 19,904.70 : x
  2. Step 2: Convert to fraction form
    35,821.20/49,430.99 = 19,904.70/x
  3. Step 3: Cross multiply
    35,821.20x = 49,430.99 × 19,904.70
  4. Step 4: Simplify right side
    35,821.20x = 983,909,026.65
  5. Step 5: Solve for x
    x = 983,909,026.65/35,821.20
  6. Step 6: Final answer
    x = 27,467.23

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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.