Home / 37,127.20-55,690.80-9,425.20

Finding the Fourth Proportional to 37,127.20, 55,690.80 and 9,425.20

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Solution

The fourth proportional to 37,127.20, 55,690.80 and 9,425.20 is: 14,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127.20 : 55,690.80 = 9,425.20 : x
  2. Step 2: Convert to fraction form
    37,127.20/55,690.80 = 9,425.20/x
  3. Step 3: Cross multiply
    37,127.20x = 55,690.80 × 9,425.20
  4. Step 4: Simplify right side
    37,127.20x = 524,896,928.16
  5. Step 5: Solve for x
    x = 524,896,928.16/37,127.20
  6. Step 6: Final answer
    x = 14,137.80

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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.