Home / 30,314.34-45,472.72-15,519.28

Finding the Fourth Proportional to 30,314.34, 45,472.72 and 15,519.28

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Solution

The fourth proportional to 30,314.34, 45,472.72 and 15,519.28 is: 23,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.34 : 45,472.72 = 15,519.28 : x
  2. Step 2: Convert to fraction form
    30,314.34/45,472.72 = 15,519.28/x
  3. Step 3: Cross multiply
    30,314.34x = 45,472.72 × 15,519.28
  4. Step 4: Simplify right side
    30,314.34x = 705,703,874.04
  5. Step 5: Solve for x
    x = 705,703,874.04/30,314.34
  6. Step 6: Final answer
    x = 23,279.54

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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.