Home / 30,945.52-46,416.84-7,570.72

Finding the Fourth Proportional to 30,945.52, 46,416.84 and 7,570.72

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Solution

The fourth proportional to 30,945.52, 46,416.84 and 7,570.72 is: 11,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.52 : 46,416.84 = 7,570.72 : x
  2. Step 2: Convert to fraction form
    30,945.52/46,416.84 = 7,570.72/x
  3. Step 3: Cross multiply
    30,945.52x = 46,416.84 × 7,570.72
  4. Step 4: Simplify right side
    30,945.52x = 351,408,898.92
  5. Step 5: Solve for x
    x = 351,408,898.92/30,945.52
  6. Step 6: Final answer
    x = 11,355.73

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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.