Home / 35,156.36-52,738.63-12,353.20

Finding the Fourth Proportional to 35,156.36, 52,738.63 and 12,353.20

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Solution

The fourth proportional to 35,156.36, 52,738.63 and 12,353.20 is: 18,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.36 : 52,738.63 = 12,353.20 : x
  2. Step 2: Convert to fraction form
    35,156.36/52,738.63 = 12,353.20/x
  3. Step 3: Cross multiply
    35,156.36x = 52,738.63 × 12,353.20
  4. Step 4: Simplify right side
    35,156.36x = 651,490,844.12
  5. Step 5: Solve for x
    x = 651,490,844.12/35,156.36
  6. Step 6: Final answer
    x = 18,531.24

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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.