Home / 63,212.09-87,235.22-36,354.59

Finding the Fourth Proportional to 63,212.09, 87,235.22 and 36,354.59

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Solution

The fourth proportional to 63,212.09, 87,235.22 and 36,354.59 is: 50,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.09 : 87,235.22 = 36,354.59 : x
  2. Step 2: Convert to fraction form
    63,212.09/87,235.22 = 36,354.59/x
  3. Step 3: Cross multiply
    63,212.09x = 87,235.22 × 36,354.59
  4. Step 4: Simplify right side
    63,212.09x = 3,171,400,038.71
  5. Step 5: Solve for x
    x = 3,171,400,038.71/63,212.09
  6. Step 6: Final answer
    x = 50,170.79

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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.