Home / 36,256.40-54,355.80-19,840.40

Finding the Fourth Proportional to 36,256.40, 54,355.80 and 19,840.40

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Solution

The fourth proportional to 36,256.40, 54,355.80 and 19,840.40 is: 29,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,256.40 : 54,355.80 = 19,840.40 : x
  2. Step 2: Convert to fraction form
    36,256.40/54,355.80 = 19,840.40/x
  3. Step 3: Cross multiply
    36,256.40x = 54,355.80 × 19,840.40
  4. Step 4: Simplify right side
    36,256.40x = 1,078,440,814.32
  5. Step 5: Solve for x
    x = 1,078,440,814.32/36,256.40
  6. Step 6: Final answer
    x = 29,744.84

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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.