Home / 30,281.22-45,424.14-9,223.04

Finding the Fourth Proportional to 30,281.22, 45,424.14 and 9,223.04

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Solution

The fourth proportional to 30,281.22, 45,424.14 and 9,223.04 is: 13,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.22 : 45,424.14 = 9,223.04 : x
  2. Step 2: Convert to fraction form
    30,281.22/45,424.14 = 9,223.04/x
  3. Step 3: Cross multiply
    30,281.22x = 45,424.14 × 9,223.04
  4. Step 4: Simplify right side
    30,281.22x = 418,948,773.75
  5. Step 5: Solve for x
    x = 418,948,773.75/30,281.22
  6. Step 6: Final answer
    x = 13,835.27

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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.