Home / 51,665.82-77,498.40-16,605.57

Finding the Fourth Proportional to 51,665.82, 77,498.40 and 16,605.57

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Solution

The fourth proportional to 51,665.82, 77,498.40 and 16,605.57 is: 24,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.82 : 77,498.40 = 16,605.57 : x
  2. Step 2: Convert to fraction form
    51,665.82/77,498.40 = 16,605.57/x
  3. Step 3: Cross multiply
    51,665.82x = 77,498.40 × 16,605.57
  4. Step 4: Simplify right side
    51,665.82x = 1,286,905,106.09
  5. Step 5: Solve for x
    x = 1,286,905,106.09/51,665.82
  6. Step 6: Final answer
    x = 24,908.25

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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.