Home / 35,157.44-52,730.49-12,981.26

Finding the Fourth Proportional to 35,157.44, 52,730.49 and 12,981.26

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Solution

The fourth proportional to 35,157.44, 52,730.49 and 12,981.26 is: 19,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.44 : 52,730.49 = 12,981.26 : x
  2. Step 2: Convert to fraction form
    35,157.44/52,730.49 = 12,981.26/x
  3. Step 3: Cross multiply
    35,157.44x = 52,730.49 × 12,981.26
  4. Step 4: Simplify right side
    35,157.44x = 684,508,381.12
  5. Step 5: Solve for x
    x = 684,508,381.12/35,157.44
  6. Step 6: Final answer
    x = 19,469.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.