Home / 20,693.56-31,041.32-5,903.52

Finding the Fourth Proportional to 20,693.56, 31,041.32 and 5,903.52

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Solution

The fourth proportional to 20,693.56, 31,041.32 and 5,903.52 is: 8,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.56 : 31,041.32 = 5,903.52 : x
  2. Step 2: Convert to fraction form
    20,693.56/31,041.32 = 5,903.52/x
  3. Step 3: Cross multiply
    20,693.56x = 31,041.32 × 5,903.52
  4. Step 4: Simplify right side
    20,693.56x = 183,253,053.45
  5. Step 5: Solve for x
    x = 183,253,053.45/20,693.56
  6. Step 6: Final answer
    x = 8,855.56

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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.