Home / 30,025.89-45,068.00-21,759.03

Finding the Fourth Proportional to 30,025.89, 45,068.00 and 21,759.03

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Solution

The fourth proportional to 30,025.89, 45,068.00 and 21,759.03 is: 32,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.89 : 45,068.00 = 21,759.03 : x
  2. Step 2: Convert to fraction form
    30,025.89/45,068.00 = 21,759.03/x
  3. Step 3: Cross multiply
    30,025.89x = 45,068.00 × 21,759.03
  4. Step 4: Simplify right side
    30,025.89x = 980,635,855.24
  5. Step 5: Solve for x
    x = 980,635,855.24/30,025.89
  6. Step 6: Final answer
    x = 32,659.68

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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.