Home / 43,472.34-65,084.40-28,636.02

Finding the Fourth Proportional to 43,472.34, 65,084.40 and 28,636.02

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Solution

The fourth proportional to 43,472.34, 65,084.40 and 28,636.02 is: 42,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472.34 : 65,084.40 = 28,636.02 : x
  2. Step 2: Convert to fraction form
    43,472.34/65,084.40 = 28,636.02/x
  3. Step 3: Cross multiply
    43,472.34x = 65,084.40 × 28,636.02
  4. Step 4: Simplify right side
    43,472.34x = 1,863,758,180.09
  5. Step 5: Solve for x
    x = 1,863,758,180.09/43,472.34
  6. Step 6: Final answer
    x = 42,872.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.