Home / 30,589.08-45,886.05-13,059.06

Finding the Fourth Proportional to 30,589.08, 45,886.05 and 13,059.06

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Solution

The fourth proportional to 30,589.08, 45,886.05 and 13,059.06 is: 19,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.08 : 45,886.05 = 13,059.06 : x
  2. Step 2: Convert to fraction form
    30,589.08/45,886.05 = 13,059.06/x
  3. Step 3: Cross multiply
    30,589.08x = 45,886.05 × 13,059.06
  4. Step 4: Simplify right side
    30,589.08x = 599,228,680.11
  5. Step 5: Solve for x
    x = 599,228,680.11/30,589.08
  6. Step 6: Final answer
    x = 19,589.63

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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.