Home / 47,204.34-65,148.21-28,342.68

Finding the Fourth Proportional to 47,204.34, 65,148.21 and 28,342.68

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Solution

The fourth proportional to 47,204.34, 65,148.21 and 28,342.68 is: 39,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,204.34 : 65,148.21 = 28,342.68 : x
  2. Step 2: Convert to fraction form
    47,204.34/65,148.21 = 28,342.68/x
  3. Step 3: Cross multiply
    47,204.34x = 65,148.21 × 28,342.68
  4. Step 4: Simplify right side
    47,204.34x = 1,846,474,868.60
  5. Step 5: Solve for x
    x = 1,846,474,868.60/47,204.34
  6. Step 6: Final answer
    x = 39,116.63

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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.