Home / 40,580.60-60,877.44-12,500.64

Finding the Fourth Proportional to 40,580.60, 60,877.44 and 12,500.64

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Solution

The fourth proportional to 40,580.60, 60,877.44 and 12,500.64 is: 18,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.60 : 60,877.44 = 12,500.64 : x
  2. Step 2: Convert to fraction form
    40,580.60/60,877.44 = 12,500.64/x
  3. Step 3: Cross multiply
    40,580.60x = 60,877.44 × 12,500.64
  4. Step 4: Simplify right side
    40,580.60x = 761,006,961.56
  5. Step 5: Solve for x
    x = 761,006,961.56/40,580.60
  6. Step 6: Final answer
    x = 18,752.98

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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.