Home / 32,128.49-48,166.77-13,422.86

Finding the Fourth Proportional to 32,128.49, 48,166.77 and 13,422.86

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Solution

The fourth proportional to 32,128.49, 48,166.77 and 13,422.86 is: 20,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.49 : 48,166.77 = 13,422.86 : x
  2. Step 2: Convert to fraction form
    32,128.49/48,166.77 = 13,422.86/x
  3. Step 3: Cross multiply
    32,128.49x = 48,166.77 × 13,422.86
  4. Step 4: Simplify right side
    32,128.49x = 646,535,810.36
  5. Step 5: Solve for x
    x = 646,535,810.36/32,128.49
  6. Step 6: Final answer
    x = 20,123.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.