Home / 30,354.10-45,529.02-8,166.98

Finding the Fourth Proportional to 30,354.10, 45,529.02 and 8,166.98

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Solution

The fourth proportional to 30,354.10, 45,529.02 and 8,166.98 is: 12,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.10 : 45,529.02 = 8,166.98 : x
  2. Step 2: Convert to fraction form
    30,354.10/45,529.02 = 8,166.98/x
  3. Step 3: Cross multiply
    30,354.10x = 45,529.02 × 8,166.98
  4. Step 4: Simplify right side
    30,354.10x = 371,834,595.76
  5. Step 5: Solve for x
    x = 371,834,595.76/30,354.10
  6. Step 6: Final answer
    x = 12,249.90

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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.