Home / 30,588.30-45,882.45-9,813.90

Finding the Fourth Proportional to 30,588.30, 45,882.45 and 9,813.90

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Solution

The fourth proportional to 30,588.30, 45,882.45 and 9,813.90 is: 14,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.30 : 45,882.45 = 9,813.90 : x
  2. Step 2: Convert to fraction form
    30,588.30/45,882.45 = 9,813.90/x
  3. Step 3: Cross multiply
    30,588.30x = 45,882.45 × 9,813.90
  4. Step 4: Simplify right side
    30,588.30x = 450,285,776.06
  5. Step 5: Solve for x
    x = 450,285,776.06/30,588.30
  6. Step 6: Final answer
    x = 14,720.85

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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.