Home / 37,486.28-56,235.18-12,518.60

Finding the Fourth Proportional to 37,486.28, 56,235.18 and 12,518.60

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Solution

The fourth proportional to 37,486.28, 56,235.18 and 12,518.60 is: 18,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.28 : 56,235.18 = 12,518.60 : x
  2. Step 2: Convert to fraction form
    37,486.28/56,235.18 = 12,518.60/x
  3. Step 3: Cross multiply
    37,486.28x = 56,235.18 × 12,518.60
  4. Step 4: Simplify right side
    37,486.28x = 703,985,724.35
  5. Step 5: Solve for x
    x = 703,985,724.35/37,486.28
  6. Step 6: Final answer
    x = 18,779.82

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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.