Home / 36,539.20-54,808.80-14,345.20

Finding the Fourth Proportional to 36,539.20, 54,808.80 and 14,345.20

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Solution

The fourth proportional to 36,539.20, 54,808.80 and 14,345.20 is: 21,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,539.20 : 54,808.80 = 14,345.20 : x
  2. Step 2: Convert to fraction form
    36,539.20/54,808.80 = 14,345.20/x
  3. Step 3: Cross multiply
    36,539.20x = 54,808.80 × 14,345.20
  4. Step 4: Simplify right side
    36,539.20x = 786,243,197.76
  5. Step 5: Solve for x
    x = 786,243,197.76/36,539.20
  6. Step 6: Final answer
    x = 21,517.80

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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.