Home / 52,421.41-72,339.24-28,546.66

Finding the Fourth Proportional to 52,421.41, 72,339.24 and 28,546.66

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Solution

The fourth proportional to 52,421.41, 72,339.24 and 28,546.66 is: 39,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.41 : 72,339.24 = 28,546.66 : x
  2. Step 2: Convert to fraction form
    52,421.41/72,339.24 = 28,546.66/x
  3. Step 3: Cross multiply
    52,421.41x = 72,339.24 × 28,546.66
  4. Step 4: Simplify right side
    52,421.41x = 2,065,043,688.94
  5. Step 5: Solve for x
    x = 2,065,043,688.94/52,421.41
  6. Step 6: Final answer
    x = 39,393.14

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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.