Home / 37,915.05-56,870.28-11,619.75

Finding the Fourth Proportional to 37,915.05, 56,870.28 and 11,619.75

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Solution

The fourth proportional to 37,915.05, 56,870.28 and 11,619.75 is: 17,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.05 : 56,870.28 = 11,619.75 : x
  2. Step 2: Convert to fraction form
    37,915.05/56,870.28 = 11,619.75/x
  3. Step 3: Cross multiply
    37,915.05x = 56,870.28 × 11,619.75
  4. Step 4: Simplify right side
    37,915.05x = 660,818,436.03
  5. Step 5: Solve for x
    x = 660,818,436.03/37,915.05
  6. Step 6: Final answer
    x = 17,428.92

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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.