Home / 51,582.80-77,385.86-18,302.90

Finding the Fourth Proportional to 51,582.80, 77,385.86 and 18,302.90

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Solution

The fourth proportional to 51,582.80, 77,385.86 and 18,302.90 is: 27,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,582.80 : 77,385.86 = 18,302.90 : x
  2. Step 2: Convert to fraction form
    51,582.80/77,385.86 = 18,302.90/x
  3. Step 3: Cross multiply
    51,582.80x = 77,385.86 × 18,302.90
  4. Step 4: Simplify right side
    51,582.80x = 1,416,385,178.55
  5. Step 5: Solve for x
    x = 1,416,385,178.55/51,582.80
  6. Step 6: Final answer
    x = 27,458.48

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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.