Home / 63,438.40-87,550.34-35,146.72

Finding the Fourth Proportional to 63,438.40, 87,550.34 and 35,146.72

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Solution

The fourth proportional to 63,438.40, 87,550.34 and 35,146.72 is: 48,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.40 : 87,550.34 = 35,146.72 : x
  2. Step 2: Convert to fraction form
    63,438.40/87,550.34 = 35,146.72/x
  3. Step 3: Cross multiply
    63,438.40x = 87,550.34 × 35,146.72
  4. Step 4: Simplify right side
    63,438.40x = 3,077,107,285.88
  5. Step 5: Solve for x
    x = 3,077,107,285.88/63,438.40
  6. Step 6: Final answer
    x = 48,505.44

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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.