Home / 55,555.44-76,676.47-31,363.76

Finding the Fourth Proportional to 55,555.44, 76,676.47 and 31,363.76

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Solution

The fourth proportional to 55,555.44, 76,676.47 and 31,363.76 is: 43,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.44 : 76,676.47 = 31,363.76 : x
  2. Step 2: Convert to fraction form
    55,555.44/76,676.47 = 31,363.76/x
  3. Step 3: Cross multiply
    55,555.44x = 76,676.47 × 31,363.76
  4. Step 4: Simplify right side
    55,555.44x = 2,404,862,402.73
  5. Step 5: Solve for x
    x = 2,404,862,402.73/55,555.44
  6. Step 6: Final answer
    x = 43,287.61

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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.