Home / 55,432.67-76,495.19-31,554.72

Finding the Fourth Proportional to 55,432.67, 76,495.19 and 31,554.72

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Solution

The fourth proportional to 55,432.67, 76,495.19 and 31,554.72 is: 43,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.67 : 76,495.19 = 31,554.72 : x
  2. Step 2: Convert to fraction form
    55,432.67/76,495.19 = 31,554.72/x
  3. Step 3: Cross multiply
    55,432.67x = 76,495.19 × 31,554.72
  4. Step 4: Simplify right side
    55,432.67x = 2,413,784,144.02
  5. Step 5: Solve for x
    x = 2,413,784,144.02/55,432.67
  6. Step 6: Final answer
    x = 43,544.44

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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.