Home / 37,379.77-51,583.43-20,384.15

Finding the Fourth Proportional to 37,379.77, 51,583.43 and 20,384.15

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Solution

The fourth proportional to 37,379.77, 51,583.43 and 20,384.15 is: 28,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,379.77 : 51,583.43 = 20,384.15 : x
  2. Step 2: Convert to fraction form
    37,379.77/51,583.43 = 20,384.15/x
  3. Step 3: Cross multiply
    37,379.77x = 51,583.43 × 20,384.15
  4. Step 4: Simplify right side
    37,379.77x = 1,051,484,167.68
  5. Step 5: Solve for x
    x = 1,051,484,167.68/37,379.77
  6. Step 6: Final answer
    x = 28,129.77

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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.