Home / 37,679.80-56,528.70-11,384.80

Finding the Fourth Proportional to 37,679.80, 56,528.70 and 11,384.80

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Solution

The fourth proportional to 37,679.80, 56,528.70 and 11,384.80 is: 17,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,679.80 : 56,528.70 = 11,384.80 : x
  2. Step 2: Convert to fraction form
    37,679.80/56,528.70 = 11,384.80/x
  3. Step 3: Cross multiply
    37,679.80x = 56,528.70 × 11,384.80
  4. Step 4: Simplify right side
    37,679.80x = 643,567,943.76
  5. Step 5: Solve for x
    x = 643,567,943.76/37,679.80
  6. Step 6: Final answer
    x = 17,079.92

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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.