Home / 30,360.21-45,545.73-9,299.82

Finding the Fourth Proportional to 30,360.21, 45,545.73 and 9,299.82

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Solution

The fourth proportional to 30,360.21, 45,545.73 and 9,299.82 is: 13,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.21 : 45,545.73 = 9,299.82 : x
  2. Step 2: Convert to fraction form
    30,360.21/45,545.73 = 9,299.82/x
  3. Step 3: Cross multiply
    30,360.21x = 45,545.73 × 9,299.82
  4. Step 4: Simplify right side
    30,360.21x = 423,567,090.77
  5. Step 5: Solve for x
    x = 423,567,090.77/30,360.21
  6. Step 6: Final answer
    x = 13,951.39

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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.