Home / 35,142.47-52,707.83-15,415.73

Finding the Fourth Proportional to 35,142.47, 52,707.83 and 15,415.73

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Solution

The fourth proportional to 35,142.47, 52,707.83 and 15,415.73 is: 23,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.47 : 52,707.83 = 15,415.73 : x
  2. Step 2: Convert to fraction form
    35,142.47/52,707.83 = 15,415.73/x
  3. Step 3: Cross multiply
    35,142.47x = 52,707.83 × 15,415.73
  4. Step 4: Simplify right side
    35,142.47x = 812,529,335.55
  5. Step 5: Solve for x
    x = 812,529,335.55/35,142.47
  6. Step 6: Final answer
    x = 23,121.01

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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.