Home / 47,610.12-65,706.21-30,654.87

Finding the Fourth Proportional to 47,610.12, 65,706.21 and 30,654.87

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Solution

The fourth proportional to 47,610.12, 65,706.21 and 30,654.87 is: 42,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.12 : 65,706.21 = 30,654.87 : x
  2. Step 2: Convert to fraction form
    47,610.12/65,706.21 = 30,654.87/x
  3. Step 3: Cross multiply
    47,610.12x = 65,706.21 × 30,654.87
  4. Step 4: Simplify right side
    47,610.12x = 2,014,215,325.74
  5. Step 5: Solve for x
    x = 2,014,215,325.74/47,610.12
  6. Step 6: Final answer
    x = 42,306.45

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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.