Home / 30,308.89-45,474.29-15,524.77

Finding the Fourth Proportional to 30,308.89, 45,474.29 and 15,524.77

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Solution

The fourth proportional to 30,308.89, 45,474.29 and 15,524.77 is: 23,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.89 : 45,474.29 = 15,524.77 : x
  2. Step 2: Convert to fraction form
    30,308.89/45,474.29 = 15,524.77/x
  3. Step 3: Cross multiply
    30,308.89x = 45,474.29 × 15,524.77
  4. Step 4: Simplify right side
    30,308.89x = 705,977,893.16
  5. Step 5: Solve for x
    x = 705,977,893.16/30,308.89
  6. Step 6: Final answer
    x = 23,292.77

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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.