Home / 47,452.50-65,485.53-30,714.66

Finding the Fourth Proportional to 47,452.50, 65,485.53 and 30,714.66

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Solution

The fourth proportional to 47,452.50, 65,485.53 and 30,714.66 is: 42,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,452.50 : 65,485.53 = 30,714.66 : x
  2. Step 2: Convert to fraction form
    47,452.50/65,485.53 = 30,714.66/x
  3. Step 3: Cross multiply
    47,452.50x = 65,485.53 × 30,714.66
  4. Step 4: Simplify right side
    47,452.50x = 2,011,365,788.87
  5. Step 5: Solve for x
    x = 2,011,365,788.87/47,452.50
  6. Step 6: Final answer
    x = 42,386.93

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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.