Home / 36,933.72-55,312.28-21,303.96

Finding the Fourth Proportional to 36,933.72, 55,312.28 and 21,303.96

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Solution

The fourth proportional to 36,933.72, 55,312.28 and 21,303.96 is: 31,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,933.72 : 55,312.28 = 21,303.96 : x
  2. Step 2: Convert to fraction form
    36,933.72/55,312.28 = 21,303.96/x
  3. Step 3: Cross multiply
    36,933.72x = 55,312.28 × 21,303.96
  4. Step 4: Simplify right side
    36,933.72x = 1,178,370,600.63
  5. Step 5: Solve for x
    x = 1,178,370,600.63/36,933.72
  6. Step 6: Final answer
    x = 31,905.01

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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.