Home / 36,649.35-54,903.29-21,870.09

Finding the Fourth Proportional to 36,649.35, 54,903.29 and 21,870.09

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Solution

The fourth proportional to 36,649.35, 54,903.29 and 21,870.09 is: 32,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.35 : 54,903.29 = 21,870.09 : x
  2. Step 2: Convert to fraction form
    36,649.35/54,903.29 = 21,870.09/x
  3. Step 3: Cross multiply
    36,649.35x = 54,903.29 × 21,870.09
  4. Step 4: Simplify right side
    36,649.35x = 1,200,739,784.25
  5. Step 5: Solve for x
    x = 1,200,739,784.25/36,649.35
  6. Step 6: Final answer
    x = 32,762.92

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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.