Home / 37,127.79-55,702.07-12,185.39

Finding the Fourth Proportional to 37,127.79, 55,702.07 and 12,185.39

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Solution

The fourth proportional to 37,127.79, 55,702.07 and 12,185.39 is: 18,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127.79 : 55,702.07 = 12,185.39 : x
  2. Step 2: Convert to fraction form
    37,127.79/55,702.07 = 12,185.39/x
  3. Step 3: Cross multiply
    37,127.79x = 55,702.07 × 12,185.39
  4. Step 4: Simplify right side
    37,127.79x = 678,751,107.32
  5. Step 5: Solve for x
    x = 678,751,107.32/37,127.79
  6. Step 6: Final answer
    x = 18,281.48

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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.