Home / 37,146.56-51,262.32-20,379.68

Finding the Fourth Proportional to 37,146.56, 51,262.32 and 20,379.68

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Solution

The fourth proportional to 37,146.56, 51,262.32 and 20,379.68 is: 28,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,146.56 : 51,262.32 = 20,379.68 : x
  2. Step 2: Convert to fraction form
    37,146.56/51,262.32 = 20,379.68/x
  3. Step 3: Cross multiply
    37,146.56x = 51,262.32 × 20,379.68
  4. Step 4: Simplify right side
    37,146.56x = 1,044,709,677.66
  5. Step 5: Solve for x
    x = 1,044,709,677.66/37,146.56
  6. Step 6: Final answer
    x = 28,124.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.