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Finding the Fourth Proportional to 36,705.40, 55,014.90 and 19,166.20

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Solution

The fourth proportional to 36,705.40, 55,014.90 and 19,166.20 is: 28,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.40 : 55,014.90 = 19,166.20 : x
  2. Step 2: Convert to fraction form
    36,705.40/55,014.90 = 19,166.20/x
  3. Step 3: Cross multiply
    36,705.40x = 55,014.90 × 19,166.20
  4. Step 4: Simplify right side
    36,705.40x = 1,054,426,576.38
  5. Step 5: Solve for x
    x = 1,054,426,576.38/36,705.40
  6. Step 6: Final answer
    x = 28,726.74

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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.