Home / 46,589.10-69,871.98-19,921.92

Finding the Fourth Proportional to 46,589.10, 69,871.98 and 19,921.92

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Solution

The fourth proportional to 46,589.10, 69,871.98 and 19,921.92 is: 29,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,589.10 : 69,871.98 = 19,921.92 : x
  2. Step 2: Convert to fraction form
    46,589.10/69,871.98 = 19,921.92/x
  3. Step 3: Cross multiply
    46,589.10x = 69,871.98 × 19,921.92
  4. Step 4: Simplify right side
    46,589.10x = 1,391,983,995.80
  5. Step 5: Solve for x
    x = 1,391,983,995.80/46,589.10
  6. Step 6: Final answer
    x = 29,877.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.