Home / 35,542.18-49,030.50-21,191.91

Finding the Fourth Proportional to 35,542.18, 49,030.50 and 21,191.91

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Solution

The fourth proportional to 35,542.18, 49,030.50 and 21,191.91 is: 29,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,542.18 : 49,030.50 = 21,191.91 : x
  2. Step 2: Convert to fraction form
    35,542.18/49,030.50 = 21,191.91/x
  3. Step 3: Cross multiply
    35,542.18x = 49,030.50 × 21,191.91
  4. Step 4: Simplify right side
    35,542.18x = 1,039,049,943.26
  5. Step 5: Solve for x
    x = 1,039,049,943.26/35,542.18
  6. Step 6: Final answer
    x = 29,234.28

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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.