Home / 35,157.78-52,712.91-18,500.13

Finding the Fourth Proportional to 35,157.78, 52,712.91 and 18,500.13

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Solution

The fourth proportional to 35,157.78, 52,712.91 and 18,500.13 is: 27,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.78 : 52,712.91 = 18,500.13 : x
  2. Step 2: Convert to fraction form
    35,157.78/52,712.91 = 18,500.13/x
  3. Step 3: Cross multiply
    35,157.78x = 52,712.91 × 18,500.13
  4. Step 4: Simplify right side
    35,157.78x = 975,195,687.68
  5. Step 5: Solve for x
    x = 975,195,687.68/35,157.78
  6. Step 6: Final answer
    x = 27,737.69

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1.5x scale

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.