Home / 30,460.87-42,044.94-17,717.05

Finding the Fourth Proportional to 30,460.87, 42,044.94 and 17,717.05

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Solution

The fourth proportional to 30,460.87, 42,044.94 and 17,717.05 is: 24,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.87 : 42,044.94 = 17,717.05 : x
  2. Step 2: Convert to fraction form
    30,460.87/42,044.94 = 17,717.05/x
  3. Step 3: Cross multiply
    30,460.87x = 42,044.94 × 17,717.05
  4. Step 4: Simplify right side
    30,460.87x = 744,912,005.42
  5. Step 5: Solve for x
    x = 744,912,005.42/30,460.87
  6. Step 6: Final answer
    x = 24,454.72

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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.