Home / 37,817.19-52,185.90-20,821.08

Finding the Fourth Proportional to 37,817.19, 52,185.90 and 20,821.08

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Solution

The fourth proportional to 37,817.19, 52,185.90 and 20,821.08 is: 28,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.19 : 52,185.90 = 20,821.08 : x
  2. Step 2: Convert to fraction form
    37,817.19/52,185.90 = 20,821.08/x
  3. Step 3: Cross multiply
    37,817.19x = 52,185.90 × 20,821.08
  4. Step 4: Simplify right side
    37,817.19x = 1,086,566,798.77
  5. Step 5: Solve for x
    x = 1,086,566,798.77/37,817.19
  6. Step 6: Final answer
    x = 28,732.09

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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.