Home / 32,615.52-45,028.08-21,469.92

Finding the Fourth Proportional to 32,615.52, 45,028.08 and 21,469.92

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Solution

The fourth proportional to 32,615.52, 45,028.08 and 21,469.92 is: 29,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.52 : 45,028.08 = 21,469.92 : x
  2. Step 2: Convert to fraction form
    32,615.52/45,028.08 = 21,469.92/x
  3. Step 3: Cross multiply
    32,615.52x = 45,028.08 × 21,469.92
  4. Step 4: Simplify right side
    32,615.52x = 966,749,275.35
  5. Step 5: Solve for x
    x = 966,749,275.35/32,615.52
  6. Step 6: Final answer
    x = 29,640.77

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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.