Home / 51,661.66-77,465.57-18,376.89

Finding the Fourth Proportional to 51,661.66, 77,465.57 and 18,376.89

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Solution

The fourth proportional to 51,661.66, 77,465.57 and 18,376.89 is: 27,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.66 : 77,465.57 = 18,376.89 : x
  2. Step 2: Convert to fraction form
    51,661.66/77,465.57 = 18,376.89/x
  3. Step 3: Cross multiply
    51,661.66x = 77,465.57 × 18,376.89
  4. Step 4: Simplify right side
    51,661.66x = 1,423,576,166.79
  5. Step 5: Solve for x
    x = 1,423,576,166.79/51,661.66
  6. Step 6: Final answer
    x = 27,555.76

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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.