Home / 35,150.78-52,689.45-15,412.70

Finding the Fourth Proportional to 35,150.78, 52,689.45 and 15,412.70

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Solution

The fourth proportional to 35,150.78, 52,689.45 and 15,412.70 is: 23,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.78 : 52,689.45 = 15,412.70 : x
  2. Step 2: Convert to fraction form
    35,150.78/52,689.45 = 15,412.70/x
  3. Step 3: Cross multiply
    35,150.78x = 52,689.45 × 15,412.70
  4. Step 4: Simplify right side
    35,150.78x = 812,086,686.02
  5. Step 5: Solve for x
    x = 812,086,686.02/35,150.78
  6. Step 6: Final answer
    x = 23,102.95

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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.