Home / 45,634.79-68,381.62-35,615.78

Finding the Fourth Proportional to 45,634.79, 68,381.62 and 35,615.78

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Solution

The fourth proportional to 45,634.79, 68,381.62 and 35,615.78 is: 53,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,634.79 : 68,381.62 = 35,615.78 : x
  2. Step 2: Convert to fraction form
    45,634.79/68,381.62 = 35,615.78/x
  3. Step 3: Cross multiply
    45,634.79x = 68,381.62 × 35,615.78
  4. Step 4: Simplify right side
    45,634.79x = 2,435,464,733.96
  5. Step 5: Solve for x
    x = 2,435,464,733.96/45,634.79
  6. Step 6: Final answer
    x = 53,368.60

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1.5x scale

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.