Home / 30,589.53-45,901.01-11,870.30

Finding the Fourth Proportional to 30,589.53, 45,901.01 and 11,870.30

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Solution

The fourth proportional to 30,589.53, 45,901.01 and 11,870.30 is: 17,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.53 : 45,901.01 = 11,870.30 : x
  2. Step 2: Convert to fraction form
    30,589.53/45,901.01 = 11,870.30/x
  3. Step 3: Cross multiply
    30,589.53x = 45,901.01 × 11,870.30
  4. Step 4: Simplify right side
    30,589.53x = 544,858,759.00
  5. Step 5: Solve for x
    x = 544,858,759.00/30,589.53
  6. Step 6: Final answer
    x = 17,811.94

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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.