Home / 42,689.72-58,912.62-24,786.20

Finding the Fourth Proportional to 42,689.72, 58,912.62 and 24,786.20

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Solution

The fourth proportional to 42,689.72, 58,912.62 and 24,786.20 is: 34,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.72 : 58,912.62 = 24,786.20 : x
  2. Step 2: Convert to fraction form
    42,689.72/58,912.62 = 24,786.20/x
  3. Step 3: Cross multiply
    42,689.72x = 58,912.62 × 24,786.20
  4. Step 4: Simplify right side
    42,689.72x = 1,460,219,981.84
  5. Step 5: Solve for x
    x = 1,460,219,981.84/42,689.72
  6. Step 6: Final answer
    x = 34,205.42

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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.