Home / 47,740.12-65,820.81-34,144.54

Finding the Fourth Proportional to 47,740.12, 65,820.81 and 34,144.54

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Solution

The fourth proportional to 47,740.12, 65,820.81 and 34,144.54 is: 47,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,740.12 : 65,820.81 = 34,144.54 : x
  2. Step 2: Convert to fraction form
    47,740.12/65,820.81 = 34,144.54/x
  3. Step 3: Cross multiply
    47,740.12x = 65,820.81 × 34,144.54
  4. Step 4: Simplify right side
    47,740.12x = 2,247,421,279.88
  5. Step 5: Solve for x
    x = 2,247,421,279.88/47,740.12
  6. Step 6: Final answer
    x = 47,076.15

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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.