Home / 31,938.02-44,074.53-18,511.86

Finding the Fourth Proportional to 31,938.02, 44,074.53 and 18,511.86

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Solution

The fourth proportional to 31,938.02, 44,074.53 and 18,511.86 is: 25,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.02 : 44,074.53 = 18,511.86 : x
  2. Step 2: Convert to fraction form
    31,938.02/44,074.53 = 18,511.86/x
  3. Step 3: Cross multiply
    31,938.02x = 44,074.53 × 18,511.86
  4. Step 4: Simplify right side
    31,938.02x = 815,901,528.93
  5. Step 5: Solve for x
    x = 815,901,528.93/31,938.02
  6. Step 6: Final answer
    x = 25,546.40

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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.