Home / 35,984.12-53,976.16-12,610.55

Finding the Fourth Proportional to 35,984.12, 53,976.16 and 12,610.55

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Solution

The fourth proportional to 35,984.12, 53,976.16 and 12,610.55 is: 18,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.12 : 53,976.16 = 12,610.55 : x
  2. Step 2: Convert to fraction form
    35,984.12/53,976.16 = 12,610.55/x
  3. Step 3: Cross multiply
    35,984.12x = 53,976.16 × 12,610.55
  4. Step 4: Simplify right side
    35,984.12x = 680,669,215.19
  5. Step 5: Solve for x
    x = 680,669,215.19/35,984.12
  6. Step 6: Final answer
    x = 18,915.82

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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.