Home / 40,000.54-55,305.90-39,369.02

Finding the Fourth Proportional to 40,000.54, 55,305.90 and 39,369.02

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Solution

The fourth proportional to 40,000.54, 55,305.90 and 39,369.02 is: 54,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.54 : 55,305.90 = 39,369.02 : x
  2. Step 2: Convert to fraction form
    40,000.54/55,305.90 = 39,369.02/x
  3. Step 3: Cross multiply
    40,000.54x = 55,305.90 × 39,369.02
  4. Step 4: Simplify right side
    40,000.54x = 2,177,339,083.22
  5. Step 5: Solve for x
    x = 2,177,339,083.22/40,000.54
  6. Step 6: Final answer
    x = 54,432.74

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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.