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Finding the Fourth Proportional to 51,950.79, 77,898.51 and 26,965.71

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Solution

The fourth proportional to 51,950.79, 77,898.51 and 26,965.71 is: 40,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,950.79 : 77,898.51 = 26,965.71 : x
  2. Step 2: Convert to fraction form
    51,950.79/77,898.51 = 26,965.71/x
  3. Step 3: Cross multiply
    51,950.79x = 77,898.51 × 26,965.71
  4. Step 4: Simplify right side
    51,950.79x = 2,100,588,630.09
  5. Step 5: Solve for x
    x = 2,100,588,630.09/51,950.79
  6. Step 6: Final answer
    x = 40,434.20

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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.