Home / 51,428.67-77,143.69-16,368.33

Finding the Fourth Proportional to 51,428.67, 77,143.69 and 16,368.33

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Solution

The fourth proportional to 51,428.67, 77,143.69 and 16,368.33 is: 24,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.67 : 77,143.69 = 16,368.33 : x
  2. Step 2: Convert to fraction form
    51,428.67/77,143.69 = 16,368.33/x
  3. Step 3: Cross multiply
    51,428.67x = 77,143.69 × 16,368.33
  4. Step 4: Simplify right side
    51,428.67x = 1,262,713,251.15
  5. Step 5: Solve for x
    x = 1,262,713,251.15/51,428.67
  6. Step 6: Final answer
    x = 24,552.71

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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.