Home / 47,534.40-65,576.88-28,661.04

Finding the Fourth Proportional to 47,534.40, 65,576.88 and 28,661.04

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Solution

The fourth proportional to 47,534.40, 65,576.88 and 28,661.04 is: 39,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,534.40 : 65,576.88 = 28,661.04 : x
  2. Step 2: Convert to fraction form
    47,534.40/65,576.88 = 28,661.04/x
  3. Step 3: Cross multiply
    47,534.40x = 65,576.88 × 28,661.04
  4. Step 4: Simplify right side
    47,534.40x = 1,879,501,580.76
  5. Step 5: Solve for x
    x = 1,879,501,580.76/47,534.40
  6. Step 6: Final answer
    x = 39,539.82

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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.