Home / 32,930.20-45,452.46-20,347.84

Finding the Fourth Proportional to 32,930.20, 45,452.46 and 20,347.84

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Solution

The fourth proportional to 32,930.20, 45,452.46 and 20,347.84 is: 28,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.20 : 45,452.46 = 20,347.84 : x
  2. Step 2: Convert to fraction form
    32,930.20/45,452.46 = 20,347.84/x
  3. Step 3: Cross multiply
    32,930.20x = 45,452.46 × 20,347.84
  4. Step 4: Simplify right side
    32,930.20x = 924,859,383.69
  5. Step 5: Solve for x
    x = 924,859,383.69/32,930.20
  6. Step 6: Final answer
    x = 28,085.45

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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.