Home / 37,719.52-56,580-11,424.16

Finding the Fourth Proportional to 37,719.52, 56,580 and 11,424.16

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Solution

The fourth proportional to 37,719.52, 56,580 and 11,424.16 is: 17,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,719.52 : 56,580 = 11,424.16 : x
  2. Step 2: Convert to fraction form
    37,719.52/56,580 = 11,424.16/x
  3. Step 3: Cross multiply
    37,719.52x = 56,580 × 11,424.16
  4. Step 4: Simplify right side
    37,719.52x = 646,378,972.80
  5. Step 5: Solve for x
    x = 646,378,972.80/37,719.52
  6. Step 6: Final answer
    x = 17,136.46

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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.