Home / 30,508.63-45,767.50-9,450.56

Finding the Fourth Proportional to 30,508.63, 45,767.50 and 9,450.56

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Solution

The fourth proportional to 30,508.63, 45,767.50 and 9,450.56 is: 14,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.63 : 45,767.50 = 9,450.56 : x
  2. Step 2: Convert to fraction form
    30,508.63/45,767.50 = 9,450.56/x
  3. Step 3: Cross multiply
    30,508.63x = 45,767.50 × 9,450.56
  4. Step 4: Simplify right side
    30,508.63x = 432,528,595.59
  5. Step 5: Solve for x
    x = 432,528,595.59/30,508.63
  6. Step 6: Final answer
    x = 14,177.26

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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.