Home / 29,991.08-45,006.72-12,460.88

Finding the Fourth Proportional to 29,991.08, 45,006.72 and 12,460.88

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Solution

The fourth proportional to 29,991.08, 45,006.72 and 12,460.88 is: 18,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.08 : 45,006.72 = 12,460.88 : x
  2. Step 2: Convert to fraction form
    29,991.08/45,006.72 = 12,460.88/x
  3. Step 3: Cross multiply
    29,991.08x = 45,006.72 × 12,460.88
  4. Step 4: Simplify right side
    29,991.08x = 560,823,337.11
  5. Step 5: Solve for x
    x = 560,823,337.11/29,991.08
  6. Step 6: Final answer
    x = 18,699.67

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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.