Home / 30,912.04-42,657.96-17,481.52

Finding the Fourth Proportional to 30,912.04, 42,657.96 and 17,481.52

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Solution

The fourth proportional to 30,912.04, 42,657.96 and 17,481.52 is: 24,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.04 : 42,657.96 = 17,481.52 : x
  2. Step 2: Convert to fraction form
    30,912.04/42,657.96 = 17,481.52/x
  3. Step 3: Cross multiply
    30,912.04x = 42,657.96 × 17,481.52
  4. Step 4: Simplify right side
    30,912.04x = 745,725,980.90
  5. Step 5: Solve for x
    x = 745,725,980.90/30,912.04
  6. Step 6: Final answer
    x = 24,124.13

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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.