Home / 31,026.21-46,521.74-28,381.30

Finding the Fourth Proportional to 31,026.21, 46,521.74 and 28,381.30

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Solution

The fourth proportional to 31,026.21, 46,521.74 and 28,381.30 is: 42,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.21 : 46,521.74 = 28,381.30 : x
  2. Step 2: Convert to fraction form
    31,026.21/46,521.74 = 28,381.30/x
  3. Step 3: Cross multiply
    31,026.21x = 46,521.74 × 28,381.30
  4. Step 4: Simplify right side
    31,026.21x = 1,320,347,675.80
  5. Step 5: Solve for x
    x = 1,320,347,675.80/31,026.21
  6. Step 6: Final answer
    x = 42,555.89

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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.