Home / 35,313.60-52,953.30-20,526.78

Finding the Fourth Proportional to 35,313.60, 52,953.30 and 20,526.78

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Solution

The fourth proportional to 35,313.60, 52,953.30 and 20,526.78 is: 30,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.60 : 52,953.30 = 20,526.78 : x
  2. Step 2: Convert to fraction form
    35,313.60/52,953.30 = 20,526.78/x
  3. Step 3: Cross multiply
    35,313.60x = 52,953.30 × 20,526.78
  4. Step 4: Simplify right side
    35,313.60x = 1,086,960,739.37
  5. Step 5: Solve for x
    x = 1,086,960,739.37/35,313.60
  6. Step 6: Final answer
    x = 30,780.23

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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.