Home / 30,532.36-42,137.76-17,612.12

Finding the Fourth Proportional to 30,532.36, 42,137.76 and 17,612.12

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Solution

The fourth proportional to 30,532.36, 42,137.76 and 17,612.12 is: 24,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.36 : 42,137.76 = 17,612.12 : x
  2. Step 2: Convert to fraction form
    30,532.36/42,137.76 = 17,612.12/x
  3. Step 3: Cross multiply
    30,532.36x = 42,137.76 × 17,612.12
  4. Step 4: Simplify right side
    30,532.36x = 742,135,285.65
  5. Step 5: Solve for x
    x = 742,135,285.65/30,532.36
  6. Step 6: Final answer
    x = 24,306.52

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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.