Home / 63,486.40-95,236.08-21,928

Finding the Fourth Proportional to 63,486.40, 95,236.08 and 21,928

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Solution

The fourth proportional to 63,486.40, 95,236.08 and 21,928 is: 32,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486.40 : 95,236.08 = 21,928 : x
  2. Step 2: Convert to fraction form
    63,486.40/95,236.08 = 21,928/x
  3. Step 3: Cross multiply
    63,486.40x = 95,236.08 × 21,928
  4. Step 4: Simplify right side
    63,486.40x = 2,088,336,762.24
  5. Step 5: Solve for x
    x = 2,088,336,762.24/63,486.40
  6. Step 6: Final answer
    x = 32,894.24

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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.