Home / 63,244.21-87,280.37-36,390.80

Finding the Fourth Proportional to 63,244.21, 87,280.37 and 36,390.80

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Solution

The fourth proportional to 63,244.21, 87,280.37 and 36,390.80 is: 50,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,244.21 : 87,280.37 = 36,390.80 : x
  2. Step 2: Convert to fraction form
    63,244.21/87,280.37 = 36,390.80/x
  3. Step 3: Cross multiply
    63,244.21x = 87,280.37 × 36,390.80
  4. Step 4: Simplify right side
    63,244.21x = 3,176,202,488.60
  5. Step 5: Solve for x
    x = 3,176,202,488.60/63,244.21
  6. Step 6: Final answer
    x = 50,221.24

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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.