Home / 36,936.04-55,398.84-21,089.64

Finding the Fourth Proportional to 36,936.04, 55,398.84 and 21,089.64

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Solution

The fourth proportional to 36,936.04, 55,398.84 and 21,089.64 is: 31,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.04 : 55,398.84 = 21,089.64 : x
  2. Step 2: Convert to fraction form
    36,936.04/55,398.84 = 21,089.64/x
  3. Step 3: Cross multiply
    36,936.04x = 55,398.84 × 21,089.64
  4. Step 4: Simplify right side
    36,936.04x = 1,168,341,592.02
  5. Step 5: Solve for x
    x = 1,168,341,592.02/36,936.04
  6. Step 6: Final answer
    x = 31,631.48

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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.