Home / 51,718.30-77,589.58-16,656.64

Finding the Fourth Proportional to 51,718.30, 77,589.58 and 16,656.64

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Solution

The fourth proportional to 51,718.30, 77,589.58 and 16,656.64 is: 24,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.30 : 77,589.58 = 16,656.64 : x
  2. Step 2: Convert to fraction form
    51,718.30/77,589.58 = 16,656.64/x
  3. Step 3: Cross multiply
    51,718.30x = 77,589.58 × 16,656.64
  4. Step 4: Simplify right side
    51,718.30x = 1,292,381,701.81
  5. Step 5: Solve for x
    x = 1,292,381,701.81/51,718.30
  6. Step 6: Final answer
    x = 24,988.87

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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.