Home / 30,207.90-45,311.85-8,024.70

Finding the Fourth Proportional to 30,207.90, 45,311.85 and 8,024.70

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Solution

The fourth proportional to 30,207.90, 45,311.85 and 8,024.70 is: 12,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.90 : 45,311.85 = 8,024.70 : x
  2. Step 2: Convert to fraction form
    30,207.90/45,311.85 = 8,024.70/x
  3. Step 3: Cross multiply
    30,207.90x = 45,311.85 × 8,024.70
  4. Step 4: Simplify right side
    30,207.90x = 363,614,002.70
  5. Step 5: Solve for x
    x = 363,614,002.70/30,207.90
  6. Step 6: Final answer
    x = 12,037.05

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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.