Home / 35,440.77-53,144.43-12,935.84

Finding the Fourth Proportional to 35,440.77, 53,144.43 and 12,935.84

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Solution

The fourth proportional to 35,440.77, 53,144.43 and 12,935.84 is: 19,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.77 : 53,144.43 = 12,935.84 : x
  2. Step 2: Convert to fraction form
    35,440.77/53,144.43 = 12,935.84/x
  3. Step 3: Cross multiply
    35,440.77x = 53,144.43 × 12,935.84
  4. Step 4: Simplify right side
    35,440.77x = 687,467,512.97
  5. Step 5: Solve for x
    x = 687,467,512.97/35,440.77
  6. Step 6: Final answer
    x = 19,397.65

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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.