Home / 32,779.08-45,234.18-18,631.62

Finding the Fourth Proportional to 32,779.08, 45,234.18 and 18,631.62

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Solution

The fourth proportional to 32,779.08, 45,234.18 and 18,631.62 is: 25,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.08 : 45,234.18 = 18,631.62 : x
  2. Step 2: Convert to fraction form
    32,779.08/45,234.18 = 18,631.62/x
  3. Step 3: Cross multiply
    32,779.08x = 45,234.18 × 18,631.62
  4. Step 4: Simplify right side
    32,779.08x = 842,786,052.77
  5. Step 5: Solve for x
    x = 842,786,052.77/32,779.08
  6. Step 6: Final answer
    x = 25,711.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.