Home / 30,532.56-42,138.08-17,612.34

Finding the Fourth Proportional to 30,532.56, 42,138.08 and 17,612.34

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Solution

The fourth proportional to 30,532.56, 42,138.08 and 17,612.34 is: 24,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.56 : 42,138.08 = 17,612.34 : x
  2. Step 2: Convert to fraction form
    30,532.56/42,138.08 = 17,612.34/x
  3. Step 3: Cross multiply
    30,532.56x = 42,138.08 × 17,612.34
  4. Step 4: Simplify right side
    30,532.56x = 742,150,103.85
  5. Step 5: Solve for x
    x = 742,150,103.85/30,532.56
  6. Step 6: Final answer
    x = 24,306.84

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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.