Home / 32,814.59-45,268.38-21,479.09

Finding the Fourth Proportional to 32,814.59, 45,268.38 and 21,479.09

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Solution

The fourth proportional to 32,814.59, 45,268.38 and 21,479.09 is: 29,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,814.59 : 45,268.38 = 21,479.09 : x
  2. Step 2: Convert to fraction form
    32,814.59/45,268.38 = 21,479.09/x
  3. Step 3: Cross multiply
    32,814.59x = 45,268.38 × 21,479.09
  4. Step 4: Simplify right side
    32,814.59x = 972,323,721.35
  5. Step 5: Solve for x
    x = 972,323,721.35/32,814.59
  6. Step 6: Final answer
    x = 29,630.83

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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.