Home / 32,612.10-45,005.67-20,672.70

Finding the Fourth Proportional to 32,612.10, 45,005.67 and 20,672.70

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Solution

The fourth proportional to 32,612.10, 45,005.67 and 20,672.70 is: 28,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.10 : 45,005.67 = 20,672.70 : x
  2. Step 2: Convert to fraction form
    32,612.10/45,005.67 = 20,672.70/x
  3. Step 3: Cross multiply
    32,612.10x = 45,005.67 × 20,672.70
  4. Step 4: Simplify right side
    32,612.10x = 930,388,714.21
  5. Step 5: Solve for x
    x = 930,388,714.21/32,612.10
  6. Step 6: Final answer
    x = 28,528.94

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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.