Home / 51,320.40-76,841.64-26,644.56

Finding the Fourth Proportional to 51,320.40, 76,841.64 and 26,644.56

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Solution

The fourth proportional to 51,320.40, 76,841.64 and 26,644.56 is: 39,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.40 : 76,841.64 = 26,644.56 : x
  2. Step 2: Convert to fraction form
    51,320.40/76,841.64 = 26,644.56/x
  3. Step 3: Cross multiply
    51,320.40x = 76,841.64 × 26,644.56
  4. Step 4: Simplify right side
    51,320.40x = 2,047,411,687.48
  5. Step 5: Solve for x
    x = 2,047,411,687.48/51,320.40
  6. Step 6: Final answer
    x = 39,894.69

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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.