Home / 35,208.80-52,780.10-11,818.84

Finding the Fourth Proportional to 35,208.80, 52,780.10 and 11,818.84

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Solution

The fourth proportional to 35,208.80, 52,780.10 and 11,818.84 is: 17,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208.80 : 52,780.10 = 11,818.84 : x
  2. Step 2: Convert to fraction form
    35,208.80/52,780.10 = 11,818.84/x
  3. Step 3: Cross multiply
    35,208.80x = 52,780.10 × 11,818.84
  4. Step 4: Simplify right side
    35,208.80x = 623,799,557.08
  5. Step 5: Solve for x
    x = 623,799,557.08/35,208.80
  6. Step 6: Final answer
    x = 17,717.15

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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.