Home / 32,814.23-45,267.86-21,478.73

Finding the Fourth Proportional to 32,814.23, 45,267.86 and 21,478.73

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Solution

The fourth proportional to 32,814.23, 45,267.86 and 21,478.73 is: 29,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,814.23 : 45,267.86 = 21,478.73 : x
  2. Step 2: Convert to fraction form
    32,814.23/45,267.86 = 21,478.73/x
  3. Step 3: Cross multiply
    32,814.23x = 45,267.86 × 21,478.73
  4. Step 4: Simplify right side
    32,814.23x = 972,295,808.88
  5. Step 5: Solve for x
    x = 972,295,808.88/32,814.23
  6. Step 6: Final answer
    x = 29,630.31

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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.