Home / 35,314.08-52,932.96-12,809.76

Finding the Fourth Proportional to 35,314.08, 52,932.96 and 12,809.76

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Solution

The fourth proportional to 35,314.08, 52,932.96 and 12,809.76 is: 19,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,314.08 : 52,932.96 = 12,809.76 : x
  2. Step 2: Convert to fraction form
    35,314.08/52,932.96 = 12,809.76/x
  3. Step 3: Cross multiply
    35,314.08x = 52,932.96 × 12,809.76
  4. Step 4: Simplify right side
    35,314.08x = 678,058,513.69
  5. Step 5: Solve for x
    x = 678,058,513.69/35,314.08
  6. Step 6: Final answer
    x = 19,200.80

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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.