Home / 31,377.02-46,947.89-18,680.34

Finding the Fourth Proportional to 31,377.02, 46,947.89 and 18,680.34

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Solution

The fourth proportional to 31,377.02, 46,947.89 and 18,680.34 is: 27,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.02 : 46,947.89 = 18,680.34 : x
  2. Step 2: Convert to fraction form
    31,377.02/46,947.89 = 18,680.34/x
  3. Step 3: Cross multiply
    31,377.02x = 46,947.89 × 18,680.34
  4. Step 4: Simplify right side
    31,377.02x = 877,002,219.34
  5. Step 5: Solve for x
    x = 877,002,219.34/31,377.02
  6. Step 6: Final answer
    x = 27,950.47

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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.