Home / 30,359.12-45,540.30-9,581

Finding the Fourth Proportional to 30,359.12, 45,540.30 and 9,581

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Solution

The fourth proportional to 30,359.12, 45,540.30 and 9,581 is: 14,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.12 : 45,540.30 = 9,581 : x
  2. Step 2: Convert to fraction form
    30,359.12/45,540.30 = 9,581/x
  3. Step 3: Cross multiply
    30,359.12x = 45,540.30 × 9,581
  4. Step 4: Simplify right side
    30,359.12x = 436,321,614.30
  5. Step 5: Solve for x
    x = 436,321,614.30/30,359.12
  6. Step 6: Final answer
    x = 14,372.01

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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.