Home / 32,909.12-45,398.50-21,573.62

Finding the Fourth Proportional to 32,909.12, 45,398.50 and 21,573.62

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Solution

The fourth proportional to 32,909.12, 45,398.50 and 21,573.62 is: 29,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.12 : 45,398.50 = 21,573.62 : x
  2. Step 2: Convert to fraction form
    32,909.12/45,398.50 = 21,573.62/x
  3. Step 3: Cross multiply
    32,909.12x = 45,398.50 × 21,573.62
  4. Step 4: Simplify right side
    32,909.12x = 979,409,987.57
  5. Step 5: Solve for x
    x = 979,409,987.57/32,909.12
  6. Step 6: Final answer
    x = 29,761.05

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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.