Home / 30,458.76-42,041.99-17,714.92

Finding the Fourth Proportional to 30,458.76, 42,041.99 and 17,714.92

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Solution

The fourth proportional to 30,458.76, 42,041.99 and 17,714.92 is: 24,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.76 : 42,041.99 = 17,714.92 : x
  2. Step 2: Convert to fraction form
    30,458.76/42,041.99 = 17,714.92/x
  3. Step 3: Cross multiply
    30,458.76x = 42,041.99 × 17,714.92
  4. Step 4: Simplify right side
    30,458.76x = 744,770,489.49
  5. Step 5: Solve for x
    x = 744,770,489.49/30,458.76
  6. Step 6: Final answer
    x = 24,451.77

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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.