Home / 32,934.90-45,438.35-18,779.54

Finding the Fourth Proportional to 32,934.90, 45,438.35 and 18,779.54

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Solution

The fourth proportional to 32,934.90, 45,438.35 and 18,779.54 is: 25,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,934.90 : 45,438.35 = 18,779.54 : x
  2. Step 2: Convert to fraction form
    32,934.90/45,438.35 = 18,779.54/x
  3. Step 3: Cross multiply
    32,934.90x = 45,438.35 × 18,779.54
  4. Step 4: Simplify right side
    32,934.90x = 853,311,311.36
  5. Step 5: Solve for x
    x = 853,311,311.36/32,934.90
  6. Step 6: Final answer
    x = 25,909.03

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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.