Home / 32,853.22-45,339.13-20,102.41

Finding the Fourth Proportional to 32,853.22, 45,339.13 and 20,102.41

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Solution

The fourth proportional to 32,853.22, 45,339.13 and 20,102.41 is: 27,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,853.22 : 45,339.13 = 20,102.41 : x
  2. Step 2: Convert to fraction form
    32,853.22/45,339.13 = 20,102.41/x
  3. Step 3: Cross multiply
    32,853.22x = 45,339.13 × 20,102.41
  4. Step 4: Simplify right side
    32,853.22x = 911,425,453.10
  5. Step 5: Solve for x
    x = 911,425,453.10/32,853.22
  6. Step 6: Final answer
    x = 27,742.35

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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.