Home / 51,671.82-77,510.63-16,138.05

Finding the Fourth Proportional to 51,671.82, 77,510.63 and 16,138.05

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Solution

The fourth proportional to 51,671.82, 77,510.63 and 16,138.05 is: 24,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,671.82 : 77,510.63 = 16,138.05 : x
  2. Step 2: Convert to fraction form
    51,671.82/77,510.63 = 16,138.05/x
  3. Step 3: Cross multiply
    51,671.82x = 77,510.63 × 16,138.05
  4. Step 4: Simplify right side
    51,671.82x = 1,250,870,562.76
  5. Step 5: Solve for x
    x = 1,250,870,562.76/51,671.82
  6. Step 6: Final answer
    x = 24,207.98

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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.