Home / 64,189.19-96,203.59-30,900.35

Finding the Fourth Proportional to 64,189.19, 96,203.59 and 30,900.35

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Solution

The fourth proportional to 64,189.19, 96,203.59 and 30,900.35 is: 46,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.19 : 96,203.59 = 30,900.35 : x
  2. Step 2: Convert to fraction form
    64,189.19/96,203.59 = 30,900.35/x
  3. Step 3: Cross multiply
    64,189.19x = 96,203.59 × 30,900.35
  4. Step 4: Simplify right side
    64,189.19x = 2,972,724,765.51
  5. Step 5: Solve for x
    x = 2,972,724,765.51/64,189.19
  6. Step 6: Final answer
    x = 46,311.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.