Home / 53,734.68-74,186.88-34,647.42

Finding the Fourth Proportional to 53,734.68, 74,186.88 and 34,647.42

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Solution

The fourth proportional to 53,734.68, 74,186.88 and 34,647.42 is: 47,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,734.68 : 74,186.88 = 34,647.42 : x
  2. Step 2: Convert to fraction form
    53,734.68/74,186.88 = 34,647.42/x
  3. Step 3: Cross multiply
    53,734.68x = 74,186.88 × 34,647.42
  4. Step 4: Simplify right side
    53,734.68x = 2,570,383,989.85
  5. Step 5: Solve for x
    x = 2,570,383,989.85/53,734.68
  6. Step 6: Final answer
    x = 47,834.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.