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Finding the Fourth Proportional to 36,602.80, 54,904.20 and 21,804.10

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Solution

The fourth proportional to 36,602.80, 54,904.20 and 21,804.10 is: 32,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.80 : 54,904.20 = 21,804.10 : x
  2. Step 2: Convert to fraction form
    36,602.80/54,904.20 = 21,804.10/x
  3. Step 3: Cross multiply
    36,602.80x = 54,904.20 × 21,804.10
  4. Step 4: Simplify right side
    36,602.80x = 1,197,136,667.22
  5. Step 5: Solve for x
    x = 1,197,136,667.22/36,602.80
  6. Step 6: Final answer
    x = 32,706.15

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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.