Home / 51,885.77-77,839.58-16,822.69

Finding the Fourth Proportional to 51,885.77, 77,839.58 and 16,822.69

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Solution

The fourth proportional to 51,885.77, 77,839.58 and 16,822.69 is: 25,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,885.77 : 77,839.58 = 16,822.69 : x
  2. Step 2: Convert to fraction form
    51,885.77/77,839.58 = 16,822.69/x
  3. Step 3: Cross multiply
    51,885.77x = 77,839.58 × 16,822.69
  4. Step 4: Simplify right side
    51,885.77x = 1,309,470,971.53
  5. Step 5: Solve for x
    x = 1,309,470,971.53/51,885.77
  6. Step 6: Final answer
    x = 25,237.58

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1.5x scale

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.