Home / 32,639.90-45,039.08-18,296.42

Finding the Fourth Proportional to 32,639.90, 45,039.08 and 18,296.42

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Solution

The fourth proportional to 32,639.90, 45,039.08 and 18,296.42 is: 25,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.90 : 45,039.08 = 18,296.42 : x
  2. Step 2: Convert to fraction form
    32,639.90/45,039.08 = 18,296.42/x
  3. Step 3: Cross multiply
    32,639.90x = 45,039.08 × 18,296.42
  4. Step 4: Simplify right side
    32,639.90x = 824,053,924.09
  5. Step 5: Solve for x
    x = 824,053,924.09/32,639.90
  6. Step 6: Final answer
    x = 25,246.83

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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.