Home / 51,557.18-77,319.30-16,488.50

Finding the Fourth Proportional to 51,557.18, 77,319.30 and 16,488.50

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Solution

The fourth proportional to 51,557.18, 77,319.30 and 16,488.50 is: 24,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.18 : 77,319.30 = 16,488.50 : x
  2. Step 2: Convert to fraction form
    51,557.18/77,319.30 = 16,488.50/x
  3. Step 3: Cross multiply
    51,557.18x = 77,319.30 × 16,488.50
  4. Step 4: Simplify right side
    51,557.18x = 1,274,879,278.05
  5. Step 5: Solve for x
    x = 1,274,879,278.05/51,557.18
  6. Step 6: Final answer
    x = 24,727.48

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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.