Home / 37,122.72-55,690.08-12,155.52

Finding the Fourth Proportional to 37,122.72, 55,690.08 and 12,155.52

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Solution

The fourth proportional to 37,122.72, 55,690.08 and 12,155.52 is: 18,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.72 : 55,690.08 = 12,155.52 : x
  2. Step 2: Convert to fraction form
    37,122.72/55,690.08 = 12,155.52/x
  3. Step 3: Cross multiply
    37,122.72x = 55,690.08 × 12,155.52
  4. Step 4: Simplify right side
    37,122.72x = 676,941,881.24
  5. Step 5: Solve for x
    x = 676,941,881.24/37,122.72
  6. Step 6: Final answer
    x = 18,235.24

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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.