Home / 31,379.94-47,028.34-14,710.14

Finding the Fourth Proportional to 31,379.94, 47,028.34 and 14,710.14

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Solution

The fourth proportional to 31,379.94, 47,028.34 and 14,710.14 is: 22,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.94 : 47,028.34 = 14,710.14 : x
  2. Step 2: Convert to fraction form
    31,379.94/47,028.34 = 14,710.14/x
  3. Step 3: Cross multiply
    31,379.94x = 47,028.34 × 14,710.14
  4. Step 4: Simplify right side
    31,379.94x = 691,793,465.37
  5. Step 5: Solve for x
    x = 691,793,465.37/31,379.94
  6. Step 6: Final answer
    x = 22,045.72

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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.