Home / 30,226.85-45,329.40-11,501.90

Finding the Fourth Proportional to 30,226.85, 45,329.40 and 11,501.90

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Solution

The fourth proportional to 30,226.85, 45,329.40 and 11,501.90 is: 17,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.85 : 45,329.40 = 11,501.90 : x
  2. Step 2: Convert to fraction form
    30,226.85/45,329.40 = 11,501.90/x
  3. Step 3: Cross multiply
    30,226.85x = 45,329.40 × 11,501.90
  4. Step 4: Simplify right side
    30,226.85x = 521,373,999.21
  5. Step 5: Solve for x
    x = 521,373,999.21/30,226.85
  6. Step 6: Final answer
    x = 17,248.71

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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.