Home / 47,265.50-65,227.20-30,527.66

Finding the Fourth Proportional to 47,265.50, 65,227.20 and 30,527.66

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Solution

The fourth proportional to 47,265.50, 65,227.20 and 30,527.66 is: 42,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,265.50 : 65,227.20 = 30,527.66 : x
  2. Step 2: Convert to fraction form
    47,265.50/65,227.20 = 30,527.66/x
  3. Step 3: Cross multiply
    47,265.50x = 65,227.20 × 30,527.66
  4. Step 4: Simplify right side
    47,265.50x = 1,991,233,784.35
  5. Step 5: Solve for x
    x = 1,991,233,784.35/47,265.50
  6. Step 6: Final answer
    x = 42,128.69

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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.