Home / 42,529.86-63,793.58-12,946.43

Finding the Fourth Proportional to 42,529.86, 63,793.58 and 12,946.43

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Solution

The fourth proportional to 42,529.86, 63,793.58 and 12,946.43 is: 19,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529.86 : 63,793.58 = 12,946.43 : x
  2. Step 2: Convert to fraction form
    42,529.86/63,793.58 = 12,946.43/x
  3. Step 3: Cross multiply
    42,529.86x = 63,793.58 × 12,946.43
  4. Step 4: Simplify right side
    42,529.86x = 825,899,212.67
  5. Step 5: Solve for x
    x = 825,899,212.67/42,529.86
  6. Step 6: Final answer
    x = 19,419.28

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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.