Home / 37,818.57-56,736.40-12,518.02

Finding the Fourth Proportional to 37,818.57, 56,736.40 and 12,518.02

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Solution

The fourth proportional to 37,818.57, 56,736.40 and 12,518.02 is: 18,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,818.57 : 56,736.40 = 12,518.02 : x
  2. Step 2: Convert to fraction form
    37,818.57/56,736.40 = 12,518.02/x
  3. Step 3: Cross multiply
    37,818.57x = 56,736.40 × 12,518.02
  4. Step 4: Simplify right side
    37,818.57x = 710,227,293.45
  5. Step 5: Solve for x
    x = 710,227,293.45/37,818.57
  6. Step 6: Final answer
    x = 18,779.86

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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.