Home / 35,549.15-49,052.00-21,011.31

Finding the Fourth Proportional to 35,549.15, 49,052.00 and 21,011.31

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Solution

The fourth proportional to 35,549.15, 49,052.00 and 21,011.31 is: 28,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,549.15 : 49,052.00 = 21,011.31 : x
  2. Step 2: Convert to fraction form
    35,549.15/49,052.00 = 21,011.31/x
  3. Step 3: Cross multiply
    35,549.15x = 49,052.00 × 21,011.31
  4. Step 4: Simplify right side
    35,549.15x = 1,030,646,830.65
  5. Step 5: Solve for x
    x = 1,030,646,830.65/35,549.15
  6. Step 6: Final answer
    x = 28,992.17

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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.