Home / 35,279.04-52,920.18-11,905.68

Finding the Fourth Proportional to 35,279.04, 52,920.18 and 11,905.68

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Solution

The fourth proportional to 35,279.04, 52,920.18 and 11,905.68 is: 17,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.04 : 52,920.18 = 11,905.68 : x
  2. Step 2: Convert to fraction form
    35,279.04/52,920.18 = 11,905.68/x
  3. Step 3: Cross multiply
    35,279.04x = 52,920.18 × 11,905.68
  4. Step 4: Simplify right side
    35,279.04x = 630,050,728.62
  5. Step 5: Solve for x
    x = 630,050,728.62/35,279.04
  6. Step 6: Final answer
    x = 17,859.07

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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.