Home / 31,278.85-46,923.41-10,212.82

Finding the Fourth Proportional to 31,278.85, 46,923.41 and 10,212.82

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Solution

The fourth proportional to 31,278.85, 46,923.41 and 10,212.82 is: 15,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.85 : 46,923.41 = 10,212.82 : x
  2. Step 2: Convert to fraction form
    31,278.85/46,923.41 = 10,212.82/x
  3. Step 3: Cross multiply
    31,278.85x = 46,923.41 × 10,212.82
  4. Step 4: Simplify right side
    31,278.85x = 479,220,248.34
  5. Step 5: Solve for x
    x = 479,220,248.34/31,278.85
  6. Step 6: Final answer
    x = 15,320.90

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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.