Home / 51,723.50-77,579.40-14,288.91

Finding the Fourth Proportional to 51,723.50, 77,579.40 and 14,288.91

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Solution

The fourth proportional to 51,723.50, 77,579.40 and 14,288.91 is: 21,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.50 : 77,579.40 = 14,288.91 : x
  2. Step 2: Convert to fraction form
    51,723.50/77,579.40 = 14,288.91/x
  3. Step 3: Cross multiply
    51,723.50x = 77,579.40 × 14,288.91
  4. Step 4: Simplify right side
    51,723.50x = 1,108,524,827.11
  5. Step 5: Solve for x
    x = 1,108,524,827.11/51,723.50
  6. Step 6: Final answer
    x = 21,431.75

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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.