Home / 37,946.41-56,918.82-12,647.76

Finding the Fourth Proportional to 37,946.41, 56,918.82 and 12,647.76

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Solution

The fourth proportional to 37,946.41, 56,918.82 and 12,647.76 is: 18,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,946.41 : 56,918.82 = 12,647.76 : x
  2. Step 2: Convert to fraction form
    37,946.41/56,918.82 = 12,647.76/x
  3. Step 3: Cross multiply
    37,946.41x = 56,918.82 × 12,647.76
  4. Step 4: Simplify right side
    37,946.41x = 719,895,290.25
  5. Step 5: Solve for x
    x = 719,895,290.25/37,946.41
  6. Step 6: Final answer
    x = 18,971.37

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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.