Home / 35,128.35-52,689.29-11,754.99

Finding the Fourth Proportional to 35,128.35, 52,689.29 and 11,754.99

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Solution

The fourth proportional to 35,128.35, 52,689.29 and 11,754.99 is: 17,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.35 : 52,689.29 = 11,754.99 : x
  2. Step 2: Convert to fraction form
    35,128.35/52,689.29 = 11,754.99/x
  3. Step 3: Cross multiply
    35,128.35x = 52,689.29 × 11,754.99
  4. Step 4: Simplify right side
    35,128.35x = 619,362,018.28
  5. Step 5: Solve for x
    x = 619,362,018.28/35,128.35
  6. Step 6: Final answer
    x = 17,631.40

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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.