Home / 47,373.60-65,375.28-28,506.72

Finding the Fourth Proportional to 47,373.60, 65,375.28 and 28,506.72

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Solution

The fourth proportional to 47,373.60, 65,375.28 and 28,506.72 is: 39,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,373.60 : 65,375.28 = 28,506.72 : x
  2. Step 2: Convert to fraction form
    47,373.60/65,375.28 = 28,506.72/x
  3. Step 3: Cross multiply
    47,373.60x = 65,375.28 × 28,506.72
  4. Step 4: Simplify right side
    47,373.60x = 1,863,634,801.88
  5. Step 5: Solve for x
    x = 1,863,634,801.88/47,373.60
  6. Step 6: Final answer
    x = 39,339.10

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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.