Home / 35,135.78-52,690.98-11,756.76

Finding the Fourth Proportional to 35,135.78, 52,690.98 and 11,756.76

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Solution

The fourth proportional to 35,135.78, 52,690.98 and 11,756.76 is: 17,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.78 : 52,690.98 = 11,756.76 : x
  2. Step 2: Convert to fraction form
    35,135.78/52,690.98 = 11,756.76/x
  3. Step 3: Cross multiply
    35,135.78x = 52,690.98 × 11,756.76
  4. Step 4: Simplify right side
    35,135.78x = 619,475,206.02
  5. Step 5: Solve for x
    x = 619,475,206.02/35,135.78
  6. Step 6: Final answer
    x = 17,630.89

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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.