Home / 32,830.71-45,308.33-18,683.65

Finding the Fourth Proportional to 32,830.71, 45,308.33 and 18,683.65

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Solution

The fourth proportional to 32,830.71, 45,308.33 and 18,683.65 is: 25,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.71 : 45,308.33 = 18,683.65 : x
  2. Step 2: Convert to fraction form
    32,830.71/45,308.33 = 18,683.65/x
  3. Step 3: Cross multiply
    32,830.71x = 45,308.33 × 18,683.65
  4. Step 4: Simplify right side
    32,830.71x = 846,524,979.80
  5. Step 5: Solve for x
    x = 846,524,979.80/32,830.71
  6. Step 6: Final answer
    x = 25,784.55

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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.