Home / 31,187.88-43,024.24-22,676.80

Finding the Fourth Proportional to 31,187.88, 43,024.24 and 22,676.80

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Solution

The fourth proportional to 31,187.88, 43,024.24 and 22,676.80 is: 31,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.88 : 43,024.24 = 22,676.80 : x
  2. Step 2: Convert to fraction form
    31,187.88/43,024.24 = 22,676.80/x
  3. Step 3: Cross multiply
    31,187.88x = 43,024.24 × 22,676.80
  4. Step 4: Simplify right side
    31,187.88x = 975,652,085.63
  5. Step 5: Solve for x
    x = 975,652,085.63/31,187.88
  6. Step 6: Final answer
    x = 31,283.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.