Home / 63,190.56-87,220.40-39,303.03

Finding the Fourth Proportional to 63,190.56, 87,220.40 and 39,303.03

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Solution

The fourth proportional to 63,190.56, 87,220.40 and 39,303.03 is: 54,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.56 : 87,220.40 = 39,303.03 : x
  2. Step 2: Convert to fraction form
    63,190.56/87,220.40 = 39,303.03/x
  3. Step 3: Cross multiply
    63,190.56x = 87,220.40 × 39,303.03
  4. Step 4: Simplify right side
    63,190.56x = 3,428,025,801.30
  5. Step 5: Solve for x
    x = 3,428,025,801.30/63,190.56
  6. Step 6: Final answer
    x = 54,249.02

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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.