Home / 37,928.18-56,927.21-19,221.30

Finding the Fourth Proportional to 37,928.18, 56,927.21 and 19,221.30

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Solution

The fourth proportional to 37,928.18, 56,927.21 and 19,221.30 is: 28,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928.18 : 56,927.21 = 19,221.30 : x
  2. Step 2: Convert to fraction form
    37,928.18/56,927.21 = 19,221.30/x
  3. Step 3: Cross multiply
    37,928.18x = 56,927.21 × 19,221.30
  4. Step 4: Simplify right side
    37,928.18x = 1,094,214,885.47
  5. Step 5: Solve for x
    x = 1,094,214,885.47/37,928.18
  6. Step 6: Final answer
    x = 28,849.65

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1.5x scale

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.